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Past officeholders — J
300 people whose surname begins with J and whose last term has ended in the record. Anybody still serving is on Who holds office.
- Addison JamesU.S. Representative · Kentucky's 3rd districtParty: Republicanlast term ended 1909
- Adna JohnsonU.S. Representative · Ohio's 10th districtParty: Republicanlast term ended 1911
- Al Lawson, Jr.U.S. Representative · Florida's 5th districtParty: Democraticlast term ended 2023
- Albert JefferisU.S. Representative · Nebraska's 2nd districtParty: Republicanlast term ended 1923
- Albert JenkinsU.S. Representative · Virginia's 11th districtParty: Democraticlast term ended 1861
- Albert JohnsonU.S. Representative · Washington's 3rd districtParty: Republicanlast term ended 1933
- Albert JohnsonU.S. Representative · Pennsylvania's 23rd districtParty: Republicanlast term ended 1977
- Alexander JonesU.S. Representative · North Carolina's 7th districtParty: Republicanlast term ended 1871
- Alfred JacksonU.S. Representative · Kansas's 3rd districtParty: Democraticlast term ended 1903
- Amaziah JamesU.S. Representative · New York's 19th districtParty: Republicanlast term ended 1881
- Amos JacksonU.S. Representative · Ohio's 13th districtParty: Republicanlast term ended 1905
- Andrew JacksonU.S. Senator · TennesseeParty: Democratic Republicanlast term ended 1825
- Andrew JacobsU.S. Representative · Indiana's 11th districtParty: Democraticlast term ended 1951
- Andrew JacobsU.S. Representative · Indiana's 10th districtParty: Democraticlast term ended 1997
- Andrew JohnsonU.S. Senator · TennesseeParty: Democraticlast term ended 1875
- Andrew JudsonU.S. Representative · ConnecticutParty: Jacksonlast term ended 1837
- Andrieus JonesU.S. Senator · New MexicoParty: Democraticlast term ended 1927
- Anton JohnsonU.S. Representative · Illinois's 14th districtParty: Republicanlast term ended 1949
- Antonio JosephU.S. Representative · New MexicoParty: Democraticlast term ended 1895
- Arthur JenksU.S. Representative · New Hampshire's 1st districtParty: Republicanlast term ended 1943
- August JohansenU.S. Representative · Michigan's 3rd districtParty: Republicanlast term ended 1965
- Barbara JordanU.S. Representative · Texas's 18th districtParty: Democraticlast term ended 1979
- Bartel JonkmanU.S. Representative · Michigan's 5th districtParty: Republicanlast term ended 1949
- Ben JohnsonU.S. Representative · Kentucky's 4th districtParty: Democraticlast term ended 1927
- Ben JonesU.S. Representative · Georgia's 4th districtParty: Democraticlast term ended 1993
- Benjamin JamesU.S. Representative · Pennsylvania's 7th districtParty: Republicanlast term ended 1959
- Benjamin JarrettU.S. Representative · Pennsylvania's 20th districtParty: Republicanlast term ended 1943
- Benjamin JonasU.S. Senator · LouisianaParty: Democraticlast term ended 1885
- Benjamin JonesU.S. Representative · Ohio's 18th districtParty: Jacksonlast term ended 1837
- Benjamin JordanU.S. Senator · North CarolinaParty: Democraticlast term ended 1973
- Benjamin JunkinU.S. Representative · Pennsylvania's 16th districtParty: Republicanlast term ended 1861
- Benning JennessU.S. Senator · New HampshireParty: Democraticlast term ended 1847
- Benton JensenU.S. Representative · Iowa's 7th districtParty: Republicanlast term ended 1965
- Bernhard JacobsenU.S. Representative · Iowa's 2nd districtParty: Democraticlast term ended 1937
- Bill JohnsonU.S. Representative · Ohio's 6th districtParty: Republicanlast term ended 2024
- Bill Pascrell, Jr.U.S. Representative · New Jersey's 9th districtParty: Democraticlast term ended 2024
- Bobby JindalU.S. Representative · Louisiana's 1st districtParty: Republicanlast term ended 2008
- Brenda JonesU.S. Representative · Michigan's 13th districtParty: Democraticlast term ended 2019
- Burr JonesU.S. Representative · Wisconsin's 3rd districtParty: Democraticlast term ended 1885
- Byron JohnsonU.S. Representative · Colorado's 2nd districtParty: Democraticlast term ended 1961
- Calvin JohnsonU.S. Representative · Illinois's 22nd districtParty: Republicanlast term ended 1945
- Cave JohnsonU.S. Representative · Tennessee's 9th districtParty: Democraticlast term ended 1845
- Charles JamesU.S. Senator · Rhode IslandParty: Democraticlast term ended 1857
- Charles JoelsonU.S. Representative · New Jersey's 8th districtParty: Democraticlast term ended 1971
- Charles JohnsonU.S. Representative · North Carolina's 8th districtParty: Republicanlast term ended 1803
- Charles JohnsonU.S. Senator · MaineParty: Democraticlast term ended 1917
- Charles JohnstonU.S. Representative · Virginia's 22nd districtParty: Jacksonlast term ended 1833
- Charles JohnstonU.S. Representative · New York's 5th districtParty: Whiglast term ended 1841
- Charles JonasU.S. Representative · North Carolina's 9th districtParty: Republicanlast term ended 1931
- Charles JonasU.S. Representative · North Carolina's 9th districtParty: Republicanlast term ended 1973
- Charles JonesU.S. Senator · FloridaParty: Democraticlast term ended 1887
- Charles JoyU.S. Representative · Missouri's 11th districtParty: Republicanlast term ended 1903
- Charles JoyceU.S. Representative · Vermont's 1st districtParty: Republicanlast term ended 1883
- Charles St. JohnU.S. Representative · New York's 12th districtParty: Republicanlast term ended 1875
- Charles W. Boustany Jr.U.S. Representative · Louisiana's 3rd districtParty: Republicanlast term ended 2017
- Chris JacobsU.S. Representative · New York's 27th districtParty: Republicanlast term ended 2023
- Christopher JohnU.S. Representative · Louisiana's 7th districtParty: Democraticlast term ended 2005
- Clete JohnsonU.S. Representative · Georgia's 10th districtParty: Democraticlast term ended 1995
- Cornelius JadwinU.S. Representative · Pennsylvania's 15th districtParty: Republicanlast term ended 1883
- Craig JamesU.S. Representative · Florida's 4th districtParty: Republicanlast term ended 1993
- Daniel De JarnetteU.S. Representative · VirginiaParty: Independent Democratlast term ended 1863
- Daniel JeniferU.S. Representative · Maryland's 7th districtParty: Whiglast term ended 1841
- Daniel JewettU.S. Senator · MissouriParty: Republicanlast term ended 1871
- Daniel JonesU.S. Representative · New York's 24th districtParty: Democraticlast term ended 1855
- Daniel M. Donovan, Jr.U.S. Representative · New York's 11th districtParty: Republicanlast term ended 2019
- Daniel St. JohnU.S. Representative · New York's 9th districtParty: Whiglast term ended 1849
- Darwin JamesU.S. Representative · New York's 3rd districtParty: Republicanlast term ended 1887
- David JacksonU.S. Representative · New York's 6th districtParty: Democraticlast term ended 1849
- David JenningsU.S. Representative · Ohio's 10th districtParty: Adamslast term ended 1827
- David JohnstonU.S. Representative · West Virginia's 3rd districtParty: Democraticlast term ended 1901
- David W. JollyU.S. Representative · Florida's 13th districtParty: Republicanlast term ended 2017
- Dewey JohnsonU.S. Representative · Minnesota's 5th districtParty: Farmer-Laborlast term ended 1939
- Donald JacksonU.S. Representative · California's 16th districtParty: Republicanlast term ended 1961
- Donald M. Payne, Jr.U.S. Representative · New Jersey's 10th districtParty: Democraticlast term ended 2024
- Doug JonesU.S. Senator · AlabamaParty: Democraticlast term ended 2021
- Ebenezer JacksonU.S. Representative · ConnecticutParty: not on filelast term ended 1835
- Ed JonesU.S. Representative · Tennessee's 8th districtParty: Democraticlast term ended 1989
- Eddie Bernice JohnsonU.S. Representative · Texas's 30th districtParty: Democraticlast term ended 2023
- Edgar JenkinsU.S. Representative · Georgia's 9th districtParty: Democraticlast term ended 1993
- Edgar JonasU.S. Representative · Illinois's 12th districtParty: Republicanlast term ended 1955
- Edward JacksonU.S. Representative · Virginia's 1st districtParty: Republicanlast term ended 1823
- Edward JenisonU.S. Representative · Illinois's 23rd districtParty: Republicanlast term ended 1953
- Edwin JohnsonU.S. Senator · South DakotaParty: Democraticlast term ended 1921
- Edwin JohnsonU.S. Senator · ColoradoParty: Democraticlast term ended 1955
- Edwin JordenU.S. Representative · Pennsylvania's 15th districtParty: Republicanlast term ended 1895
- Elza JeffordsU.S. Representative · Mississippi's 3rd districtParty: Republicanlast term ended 1885
- Evan H. JenkinsU.S. Representative · West Virginia's 3rd districtParty: Republicanlast term ended 2018
- Evan JonesU.S. Representative · Pennsylvania's 21st districtParty: Republicanlast term ended 1923
- F. James Sensenbrenner, Jr.U.S. Representative · Wisconsin's 5th districtParty: Republicanlast term ended 2021
- Ferris JacobsU.S. Representative · New York's 21st districtParty: Republicanlast term ended 1883
- Francis JamesU.S. Representative · Pennsylvania's 4th districtParty: Whiglast term ended 1843
- Francis JohnsonU.S. Representative · Kentucky's 10th districtParty: Adamslast term ended 1827
- Francis JonesU.S. Representative · Tennessee's 3rd districtParty: Republicanlast term ended 1823
- Frank JonesU.S. Representative · New Hampshire's 1st districtParty: Democraticlast term ended 1879
- Fred JacksonU.S. Representative · Kansas's 4th districtParty: Republicanlast term ended 1913
- Fred JohnsonU.S. Representative · Nebraska's 5th districtParty: Republicanlast term ended 1931
- Frederick JohnsonU.S. Representative · New York's 21st districtParty: Republicanlast term ended 1887
- Freeborn JewettU.S. Representative · New York's 23rd districtParty: Jacksonlast term ended 1833
- George JacksonU.S. Representative · Virginia's 3rd districtParty: Republicanlast term ended 1803
- George JenksU.S. Representative · Pennsylvania's 25th districtParty: Democraticlast term ended 1877
- George JohnsonU.S. Representative · West Virginia's 4th districtParty: Democraticlast term ended 1943
- George JohnstoneU.S. Representative · South Carolina's 3rd districtParty: Democraticlast term ended 1893
- George JonesU.S. Senator · GeorgiaParty: Republicanlast term ended 1807
- George JonesU.S. Senator · IowaParty: Democraticlast term ended 1859
- George JonesU.S. Representative · Tennessee's 6th districtParty: Democraticlast term ended 1859
- George JonesU.S. Representative · Texas's 5th districtParty: National Greenbackerlast term ended 1883
- George JulianU.S. Representative · Indiana's 4th districtParty: Republicanlast term ended 1871
- Glen JohnsonU.S. Representative · Oklahoma's 4th districtParty: Democraticlast term ended 1949
- Grove JohnsonU.S. Representative · California's 2nd districtParty: Republicanlast term ended 1897
- Guy Vander JagtU.S. Representative · Michigan's 9th districtParty: Republicanlast term ended 1993
- Hamilton JonesU.S. Representative · North Carolina's 10th districtParty: Democraticlast term ended 1953
- Harold JohnsonU.S. Representative · California's 1st districtParty: Democraticlast term ended 1981
- Harry JeffreyU.S. Representative · Ohio's 3rd districtParty: Republicanlast term ended 1945
- Harry JohnstonU.S. Representative · Florida's 19th districtParty: Democraticlast term ended 1997
- Harvey JohnsonU.S. Representative · Ohio's 14th districtParty: Democraticlast term ended 1855
- Henderson JacowayU.S. Representative · Arkansas's 5th districtParty: Democraticlast term ended 1923
- Henry JacksonU.S. Senator · WashingtonParty: Democraticlast term ended 1983
- Henry JanesU.S. Representative · Vermont's 5th districtParty: Anti Masoniclast term ended 1837
- Henry JohnsonU.S. Senator · LouisianaParty: Whiglast term ended 1849
- Henry JohnsonU.S. Representative · Indiana's 6th districtParty: Republicanlast term ended 1899
- Henry JostU.S. Representative · Missouri's 5th districtParty: Democraticlast term ended 1925
- Henry St. JohnU.S. Representative · Ohio's 6th districtParty: Democraticlast term ended 1847
- Herschel JohnsonU.S. Senator · GeorgiaParty: Democraticlast term ended 1849
- Hinton JamesU.S. Representative · North Carolina's 7th districtParty: Democraticlast term ended 1931
- Hiram JohnsonU.S. Senator · CaliforniaParty: Republicanlast term ended 1945
- Homer JonesU.S. Representative · Washington's 1st districtParty: Republicanlast term ended 1949
- Howell JacksonU.S. Senator · TennesseeParty: Democraticlast term ended 1887
- Hugh JewettU.S. Representative · Ohio's 12th districtParty: Democraticlast term ended 1875
- Isaac JonesU.S. Representative · Maryland's 1st districtParty: Whiglast term ended 1843
- Isaac JordanU.S. Representative · Ohio's 2nd districtParty: Democraticlast term ended 1885
- Israel JacobsU.S. Representative · Pennsylvania's 3rd districtParty: not on filelast term ended 1793
- Jabez JacksonU.S. Representative · GeorgiaParty: Democraticlast term ended 1839
- Jacob JavitsU.S. Senator · New YorkParty: Republicanlast term ended 1981
- Jacob JohnsonU.S. Representative · UtahParty: Republicanlast term ended 1915
- James JacksonU.S. Senator · GeorgiaParty: Republicanlast term ended 1807
- James JacksonU.S. Representative · Georgia's 6th districtParty: Democraticlast term ended 1861
- James JacksonU.S. Representative · Kentucky's 2nd districtParty: Unionistlast term ended 1863
- James JacksonU.S. Representative · West Virginia's 4th districtParty: Democraticlast term ended 1891
- James JeffordsU.S. Senator · VermontParty: Independentlast term ended 2007
- James JeffriesU.S. Representative · Kansas's 2nd districtParty: Republicanlast term ended 1983
- James JohnsonU.S. Representative · Virginia's 20th districtParty: Republicanlast term ended 1821
- James JohnsonU.S. Representative · Kentucky's 5th districtParty: Jacksonlast term ended 1827
- James JohnsonU.S. Representative · New Hampshire's 4th districtParty: Democraticlast term ended 1849
- James JohnsonU.S. Representative · Kentucky's 2nd districtParty: Whiglast term ended 1851
- James JohnsonU.S. Representative · Georgia's 2nd districtParty: Unionistlast term ended 1853
- James JohnsonU.S. Representative · California's 3rd districtParty: Democraticlast term ended 1871
- James JohnsonU.S. Representative · Colorado's 4th districtParty: Republicanlast term ended 1981
- James JohnstonU.S. Representative · Indiana's 8th districtParty: Republicanlast term ended 1889
- James JonesU.S. Representative · GeorgiaParty: Federalistlast term ended 1801
- James JonesU.S. Representative · Virginia's 19th districtParty: Republicanlast term ended 1823
- James JonesU.S. Senator · TennesseeParty: Ind. Republican-Democratlast term ended 1857
- James JonesU.S. Representative · Texas's 3rd districtParty: Democraticlast term ended 1887
- James JonesU.S. Representative · Alabama's 1st districtParty: Democraticlast term ended 1889
- James JonesU.S. Senator · ArkansasParty: Democraticlast term ended 1903
- James JonesU.S. Representative · Oklahoma's 1st districtParty: Democraticlast term ended 1987
- James JontzU.S. Representative · Indiana's 5th districtParty: Democraticlast term ended 1993
- James JoyceU.S. Representative · Ohio's 15th districtParty: Republicanlast term ended 1911
- Jay JohnsonU.S. Representative · Wisconsin's 8th districtParty: Democraticlast term ended 1999
- Jed JohnsonU.S. Representative · Oklahoma's 6th districtParty: Democraticlast term ended 1947
- Jed JohnsonU.S. Representative · Oklahoma's 6th districtParty: Democraticlast term ended 1967
- Jeff JacksonU.S. Representative · North Carolina's 14th districtParty: Democraticlast term ended 2024
- Jehu JonesU.S. Representative · Pennsylvania's 8th districtParty: Democraticlast term ended 1859
- Jeromus JohnsonU.S. Representative · New York's 3rd districtParty: Jacksonlast term ended 1829
- Jesse L. Jackson Jr.U.S. Representative · Illinois's 2nd districtParty: Democraticlast term ended 2012
- John C. Carney Jr.U.S. Representative · DelawareParty: Democraticlast term ended 2017
- John Conyers, Jr.U.S. Representative · Michigan's 13th districtParty: Democraticlast term ended 2017
- John J. Duncan, Jr.U.S. Representative · Tennessee's 2nd districtParty: Republicanlast term ended 2019
- John JacksonU.S. Representative · Virginia's 1st districtParty: Republicanlast term ended 1817
- John JamesonU.S. Representative · Missouri's 2nd districtParty: Democraticlast term ended 1849
- John JarmanU.S. Representative · Oklahoma's 5th districtParty: Republicanlast term ended 1977
- John JenkinsU.S. Representative · Wisconsin's 11th districtParty: Republicanlast term ended 1909
- John JenningsU.S. Representative · Tennessee's 2nd districtParty: Republicanlast term ended 1951
- John JenretteU.S. Representative · South Carolina's 6th districtParty: Democraticlast term ended 1981
- John JohnsonU.S. Representative · Kentucky's 5th districtParty: Republicanlast term ended 1825
- John JohnsonU.S. Representative · Ohio's 16th districtParty: Ind. Democratlast term ended 1853
- John JohnstonU.S. Senator · VirginiaParty: Democraticlast term ended 1883
- John JohnstonU.S. Representative · New York's 5th districtParty: Democraticlast term ended 1921
- John JohnstonU.S. Senator · LouisianaParty: Democraticlast term ended 1997
- John JolleyU.S. Representative · South DakotaParty: Republicanlast term ended 1893
- John JonesU.S. Representative · Virginia's 6th districtParty: Democraticlast term ended 1845
- John JonesU.S. Representative · Georgia's 3rd districtParty: Whiglast term ended 1849
- John JonesU.S. Representative · Georgia's 8th districtParty: Democraticlast term ended 1861
- John JonesU.S. Representative · Ohio's 9th districtParty: Republicanlast term ended 1879
- John JonesU.S. Senator · NevadaParty: Republicanlast term ended 1903
- John JonesU.S. Representative · Texas's 18th districtParty: Democraticlast term ended 1941
- Jonathan JenningsU.S. Representative · Indiana's 2nd districtParty: Adamslast term ended 1831
- Joseph JacksonU.S. Representative · Georgia's 1st districtParty: States Rightslast term ended 1853
- Joseph JohnsonU.S. Representative · Virginia's 14th districtParty: Democraticlast term ended 1847
- Joseph JohnsonU.S. Representative · South Carolina's 4th districtParty: Democraticlast term ended 1917
- Joseph JohnstonU.S. Representative · Virginia's 3rd districtParty: Democraticlast term ended 1881
- Joseph JohnstonU.S. Senator · AlabamaParty: Democraticlast term ended 1913
- Joseph JorgensenU.S. Representative · Virginia's 4th districtParty: Republicanlast term ended 1883
- Joshua JewettU.S. Representative · Kentucky's 5th districtParty: Democraticlast term ended 1859
- Joshua JohnsU.S. Representative · Wisconsin's 8th districtParty: Republicanlast term ended 1943
- Josiah JohnstonU.S. Senator · LouisianaParty: Adamslast term ended 1833
- Justin JohnsonU.S. Representative · California's 11th districtParty: Republicanlast term ended 1957
- Kensey JohnsU.S. Representative · DelawareParty: Adamslast term ended 1831
- Lamar JeffersU.S. Representative · Alabama's 4th districtParty: Democraticlast term ended 1935
- Lemuel JenkinsU.S. Representative · New York's 7th districtParty: not on filelast term ended 1825
- Leonard JarvisU.S. Representative · Maine's 7th districtParty: Jacksonlast term ended 1837
- Leonard JordanU.S. Senator · IdahoParty: Republicanlast term ended 1973
- Lester JohnsonU.S. Representative · Wisconsin's 9th districtParty: Democraticlast term ended 1965
- Luther JewettU.S. Representative · VermontParty: Federalistlast term ended 1817
- Luther JohnsonU.S. Representative · Texas's 6th districtParty: Democraticlast term ended 1946
- Lyndon JohnsonU.S. Senator · TexasParty: Democraticlast term ended 1961
- Lynn JenkinsU.S. Representative · Kansas's 2nd districtParty: Republicanlast term ended 2019
- Magnus JohnsonU.S. Representative · MinnesotaParty: Farmer-Laborlast term ended 1935
- Martin JohnsonU.S. Senator · North DakotaParty: Republicanlast term ended 1909
- Meyer JacobsteinU.S. Representative · New York's 38th districtParty: Democraticlast term ended 1929
- Michael JenksU.S. Representative · Pennsylvania's 6th districtParty: Whiglast term ended 1845
- Mike JohannsU.S. Senator · NebraskaParty: Republicanlast term ended 2015
- Mitchell JenkinsU.S. Representative · Pennsylvania's 11th districtParty: Republicanlast term ended 1949
- Mondaire JonesU.S. Representative · New York's 17th districtParty: Democraticlast term ended 2023
- Morgan JonesU.S. Representative · New York's 4th districtParty: Democraticlast term ended 1867
- Nancy JohnsonU.S. Representative · Connecticut's 5th districtParty: Republicanlast term ended 2007
- Nathaniel JonesU.S. Representative · New York's 6th districtParty: Democraticlast term ended 1841
- Niels JuulU.S. Representative · Illinois's 7th districtParty: Republicanlast term ended 1921
- Noadiah JohnsonU.S. Representative · New York's 20th districtParty: Jacksonlast term ended 1835
- Noble JohnsonU.S. Representative · Indiana's 6th districtParty: Republicanlast term ended 1949
- Norman JuddU.S. Representative · Illinois's 1st districtParty: Republicanlast term ended 1871
- Olin JohnstonU.S. Senator · South CarolinaParty: Democraticlast term ended 1965
- Ollie JamesU.S. Senator · KentuckyParty: Democraticlast term ended 1918
- Orange JacobsU.S. Representative · WashingtonParty: Republicanlast term ended 1879
- Oscar JacksonU.S. Representative · Pennsylvania's 24th districtParty: Republicanlast term ended 1889
- Owen JonesU.S. Representative · Pennsylvania's 5th districtParty: Democraticlast term ended 1859
- Paul JohnsonU.S. Representative · Mississippi's 6th districtParty: Democraticlast term ended 1923
- Paul JonesU.S. Representative · Missouri's 10th districtParty: Democraticlast term ended 1967
- Perley JohnsonU.S. Representative · Ohio's 13th districtParty: Whiglast term ended 1845
- Peterson JarmanU.S. Representative · Alabama's 6th districtParty: Democraticlast term ended 1949
- Philip JohnsonU.S. Representative · Pennsylvania's 11th districtParty: Democraticlast term ended 1867
- Phineas JonesU.S. Representative · New Jersey's 6th districtParty: Republicanlast term ended 1883
- Reverdy JohnsonU.S. Senator · MarylandParty: Democraticlast term ended 1869
- Richard JacksonU.S. Representative · Rhode IslandParty: Federalistlast term ended 1815
- Richard JohnsonU.S. Representative · Kentucky's 13th districtParty: Jacksonlast term ended 1837
- Rienzi JohnstonU.S. Senator · TexasParty: Democraticlast term ended 1913
- Robert JenkinsU.S. Representative · Pennsylvania's 3rd districtParty: Federalistlast term ended 1811
- Robert JohnsonU.S. Senator · ArkansasParty: Democraticlast term ended 1861
- Robert JohnsonU.S. Representative · Missouri's 7th districtParty: Democraticlast term ended 1933
- Robert JonesU.S. Representative · Ohio's 4th districtParty: Republicanlast term ended 1949
- Robert JonesU.S. Representative · Alabama's 5th districtParty: Democraticlast term ended 1977
- Robert P. Casey, Jr.U.S. Senator · PennsylvaniaParty: Democraticlast term ended 2025
- Roger JepsenU.S. Senator · IowaParty: Republicanlast term ended 1985
- Roland JonesU.S. Representative · Louisiana's 4th districtParty: Democraticlast term ended 1855
- Rorer JamesU.S. Representative · Virginia's 5th districtParty: Democraticlast term ended 1923
- Rowland JohnstonU.S. Representative · Missouri's 16th districtParty: Republicanlast term ended 1931
- Royal JohnsonU.S. Representative · South Dakota's 2nd districtParty: Republicanlast term ended 1933
- Sam JohnsonU.S. Representative · Texas's 3rd districtParty: Republicanlast term ended 2019
- Samuel JacksonU.S. Senator · IndianaParty: Democraticlast term ended 1944
- Samuel JohnstonU.S. Senator · North CarolinaParty: Pro-Administrationlast term ended 1793
- Seaborn JonesU.S. Representative · Georgia's 2nd districtParty: Democraticlast term ended 1847
- Spencer JarnaginU.S. Senator · TennesseeParty: Whiglast term ended 1847
- Stephanie JonesU.S. Representative · Ohio's 11th districtParty: Democraticlast term ended 2008
- Summers JackU.S. Representative · Pennsylvania's 21st districtParty: Republicanlast term ended 1903
- Thomas A. Garrett, Jr.U.S. Representative · Virginia's 5th districtParty: Republicanlast term ended 2019
- Thomas JacksonU.S. Representative · New York's 1st districtParty: Democraticlast term ended 1841
- Thomas JarvisU.S. Senator · North CarolinaParty: Democraticlast term ended 1895
- Thomas JenckesU.S. Representative · Rhode Island's 1st districtParty: Republicanlast term ended 1871
- Thomas JenkinsU.S. Representative · Ohio's 10th districtParty: Republicanlast term ended 1959
- Thomas JettU.S. Representative · Illinois's 18th districtParty: Democraticlast term ended 1903
- Thomas JohnsonU.S. Representative · Maryland's 1st districtParty: Democraticlast term ended 1963
- Thomas JohnstonU.S. Representative · North Carolina's 9th districtParty: Democraticlast term ended 1889
- Thomas JonesU.S. Representative · Kentucky's 6th districtParty: Democraticlast term ended 1877
- Tim JohnsonU.S. Senator · South DakotaParty: Democraticlast term ended 2015
- Timothy JenkinsU.S. Representative · New York's 20th districtParty: Democraticlast term ended 1853
- Timothy V. JohnsonU.S. Representative · Illinois's 15th districtParty: Republicanlast term ended 2013
- Tom JohnsonU.S. Representative · Ohio's 21st districtParty: Democraticlast term ended 1895
- Virginia JenckesU.S. Representative · Indiana's 6th districtParty: Democraticlast term ended 1939
- Waldo JohnsonU.S. Senator · MissouriParty: Democraticlast term ended 1863
- Walter B. JonesU.S. Representative · North Carolina's 3rd districtParty: Republicanlast term ended 2019
- Walter JeffriesU.S. Representative · New Jersey's 2nd districtParty: Republicanlast term ended 1941
- Walter JohnstonU.S. Representative · North Carolina's 6th districtParty: Republicanlast term ended 1983
- Walter JonesU.S. Representative · Virginia's 8th districtParty: Republicanlast term ended 1811
- Walter JonesU.S. Representative · North Carolina's 1st districtParty: Democraticlast term ended 1992
- Walter JuddU.S. Representative · Minnesota's 5th districtParty: Republicanlast term ended 1963
- Wesley JonesU.S. Senator · WashingtonParty: Republicanlast term ended 1932
- William JackU.S. Representative · Pennsylvania's 23rd districtParty: Democraticlast term ended 1843
- William JacksonU.S. Representative · Massachusetts's 9th districtParty: Anti Masoniclast term ended 1837
- William JacksonU.S. Representative · New York's 26th districtParty: Whiglast term ended 1851
- William JacksonU.S. Representative · Maryland's 1st districtParty: Republicanlast term ended 1909
- William JacksonU.S. Senator · MarylandParty: Republicanlast term ended 1914
- William JacobsenU.S. Representative · Iowa's 2nd districtParty: Democraticlast term ended 1943
- William JamesU.S. Representative · Michigan's 12th districtParty: Republicanlast term ended 1935
- William JamiesonU.S. Representative · Iowa's 8th districtParty: Democraticlast term ended 1911
- William JanklowU.S. Representative · South DakotaParty: Republicanlast term ended 2004
- William JarrettU.S. Representative · HawaiiParty: Democraticlast term ended 1927
- William JayneU.S. Representative · DKParty: not on filelast term ended 1865
- William JeffersonU.S. Representative · Louisiana's 2nd districtParty: Democraticlast term ended 2009
- William JenkinsU.S. Representative · Tennessee's 1st districtParty: Republicanlast term ended 2007
- William JennerU.S. Senator · IndianaParty: Republicanlast term ended 1959
- William JenningsU.S. Representative · Virginia's 9th districtParty: Democraticlast term ended 1967
- William JohnsonU.S. Senator · ConnecticutParty: Pro-Administrationlast term ended 1791
- William JohnsonU.S. Representative · Maryland's 5th districtParty: Whiglast term ended 1843
- William JohnsonU.S. Representative · Illinois's 13th districtParty: Republicanlast term ended 1933
- William JohnsonU.S. Representative · California's 18th districtParty: Republicanlast term ended 1945
- William JohnstonU.S. Representative · Ohio's 8th districtParty: Democraticlast term ended 1865
- William JonesU.S. Representative · Pennsylvania's 1st districtParty: Republicanlast term ended 1803
- William JonesU.S. Representative · WyomingParty: Republicanlast term ended 1873
- William JonesU.S. Representative · WashingtonParty: Silver Republicanlast term ended 1899
- William JonesU.S. Representative · Virginia's 1st districtParty: Democraticlast term ended 1919
- Woodrow JonesU.S. Representative · North Carolina's 11th districtParty: Democraticlast term ended 1957
