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 |
|---|---|---|---|---|
| Wayne Owens | 1973–1975 1987–1993 | Utah | Democratic | 1937–2002 |
| William Claiborne Owens | 1895–1896 | Kentucky | Democratic | 1849–1925 |
| William Claiborne Owens | 1896–1897 | Kentucky | Republican | 1849–1925 |
| Bryan Owsley | 1841–1843 | Kentucky | Whig | 1798–1849 |
| Mike Oxley | 1981–2007 | Ohio | Republican | 1944– |