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

| Representative | Years | State_ | Party | Lifespan |
|---|---|---|---|---|
| Edward Overton, Jr. | 1877–1881 | Pennsylvania | Republican | 1836–1903 |
| John H. Overton | 1931–1933 | Louisiana | Democratic | 1875–1948 |
| Walter Hampden Overton | 1829–1831 | Louisiana | Democratic | 1788–1845 |
| Allen Ferdinand Owen | 1849–1851 | Georgia | Whig | 1816–1865 |
| Emmett Marshall Owen | 1933–1939 | Georgia | Democratic | 1877–1939 |
| George Washington Owen | 1823–1825 | Alabama | Democratic-Republican | 1796–1837 |
| George Washington Owen | 1825–1829 | Alabama | Democratic | 1796–1837 |
| James Owen | 1817–1819 | North Carolina | Democratic-Republican | 1784–1865 |
| Robert Dale Owen | 1843–1847 | Indiana | Democratic | 1801–1877 |
| Ruth Bryan Owen | 1929–1933 | Florida | Democratic | 1885–1954 |
| William D. Owen | 1885–1891 | Indiana | Republican | 1846–1906 |
| George Welshman Owens | 1835–1839 | Georgia | Democratic | 1786–1856 |
| James W. Owens | 1889–1893 | Ohio | Democratic | 1837–1900 |
| Major Owens | 1983–2007 | New York | Democratic | 1936– |
| Thomas L. Owens | 1947–1948 | Illinois | Republican | 1897–1948 |