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 |
|---|---|---|---|---|
| Bartel J. Jonkman | 1940–1949 | Michigan | Republican | 1884–1955 |
| Jim Jontz | 1987–1993 | Indiana | Democratic | 1951–2007 |
| Barbara Jordan | 1973–1979 | Texas | Democratic | 1936–1996 |
| Isaac M. Jordan | 1883–1885 | Ohio | Democratic | 1835–1890 |
| Edwin J. Jorden | 1895 | Pennsylvania | Republican | 1863–1903 |
| Joseph Jorgensen | 1877–1883 | Virginia | Republican | 1844–1888 |
| Henry L. Jost | 1923–1925 | Missouri | Democratic | 1873–1950 |
| Charles Frederick Joy | 1893–1894 1895–1903 | Missouri | Republican | 1849–1921 |
| Charles Herbert Joyce | 1875–1883 | Vermont | Republican | 1830–1916 |
| James Joyce | 1909–1911 | Ohio | Republican | 1870–1931 |
| Norman B. Judd | 1867–1871 | Illinois | Republican | 1815–1878 |
| Walter Judd | 1943–1963 | Minnesota | Republican | 1898–1994 |
| Andrew T. Judson | 1835–1836 | Connecticut | Democratic | 1784–1853 |
| George Washington Julian | 1849–1851 | Indiana | Free Soiler | 1817–1899 |
| George Washington Julian | 1861–1871 | Indiana | Republican | 1817–1899 |