List of former members of the United States House of Representatives (J) Number of years/terms representative/delegate has served Number of years/terms representative/delegate has served

| Representative | Years | State_ | Party | Lifespan |
|---|---|---|---|---|
| William J. Jefferson | 1991–2009 | Louisiana | Democratic | 1947– |
| Elza Jeffords | 1883–1885 | Mississippi | Republican | 1826–1885 |
| Jim Jeffords | 1975–1989 | Vermont | Republican | 1934– |
| Harry P. Jeffrey | 1943–1945 | Ohio | Republican | 1901–1997 |
| James Edmund Jeffries | 1979–1983 | Kansas | Republican | 1925–1997 |
| Walter S. Jeffries | 1939–1941 | New Jersey | Republican | 1893–1954 |
| Thomas Jenckes | 1863–1871 | Rhode Island | Republican | 1818–1875 |
| Virginia E. Jenckes | 1933–1939 | Indiana | Democratic | 1877–1975 |
| Daniel Jenifer | 1831–1833 1835–1837 | Maryland | National Republican | 1791–1855 |
| Daniel Jenifer | 1837–1841 | Maryland | Whig | 1791–1855 |
| Edward H. Jenison | 1947–1953 | Illinois | Republican | 1907–1996 |
| Albert G. Jenkins | 1857–1861 | Virginia | Democratic | 1830–1864 |
| Ed Jenkins | 1977–1993 | Georgia | Democratic | 1933–2012 |
| John J. Jenkins | 1895–1909 | Wisconsin | Republican | 1843–1911 |
| Lemuel Jenkins | 1823–1825 | New York | Democratic-Republican | 1789–1862 |