| Name | Party | Years | Cong ress | Electoral history |
|---|
| District established March 4, 1915 |
 Scott Ferris (Lawton) | Democratic | March 4, 1915 – March 3, 1921 | 64th 65th 66th | Redistricted from the5th district andre-elected in 1914. Re-elected in 1916. Re-elected in 1918. Retired torun for U.S. Senator. |
 L. M. Gensman (Lawton) | Republican | March 4, 1921 – March 3, 1923 | 67th | Elected in 1920. Lost re-election. |
 Elmer Thomas (Medicine Park) | Democratic | March 4, 1923 – March 3, 1927 | 68th 69th | First elected in 1922. Re-elected in 1924. Retired torun for U.S. Senator. |
 Jed Johnson (Anadarko) | Democratic | March 4, 1927 – January 3, 1947 | 70th 71st 72nd 73rd 74th 75th 76th 77th 78th 79th | First elected in 1926. Re-elected in 1928. Re-elected in 1930. Re-elected in 1932. Re-elected in 1934. Re-elected in 1936. Re-elected in 1938. Re-elected in 1940. Re-elected in 1942. Re-elected in 1944. Lost renomination |
 Toby Morris (Lawton) | Democratic | January 3, 1947 – January 3, 1953 | 80th 81st 82nd | First elected in 1946. Re-elected in 1948. Re-elected in 1950. Lost renomination in a redistricting contest. |
 Victor Wickersham (Lawton) | Democratic | January 3, 1953 – January 3, 1957 | 83rd 84th | Redistricted from the7th district andre-elected in 1952. Re-elected in 1954. Lost renomination. |
 Toby Morris (Mangum) | Democratic | January 3, 1957 – January 3, 1961 | 85th 86th | Again elected in 1956. Re-elected in 1958. Lost renomination |
 Victor Wickersham (Mangum) | Democratic | January 3, 1961 – January 3, 1965 | 87th 88th | Again elected in 1960. Re-elected in 1962. Lost renomination. |
 Jed Johnson Jr. (Chickasha) | Democratic | January 3, 1965 – January 3, 1967 | 89th | Elected in 1964. Lost re-election. |
 James V. Smith (Chickasha) | Republican | January 3, 1967 – January 3, 1969 | 90th | Elected in 1966. Redistricted to the4th district after redistricting, and lost re-election there. |
 John N. Camp (Waukomis) | Republican | January 3, 1969 – January 3, 1975 | 91st 92nd 93rd | First elected in 1968. Re-elected in 1970. Re-elected in 1972. Lost re-election. |
 Glenn English (Cordell) | Democratic | January 3, 1975 – January 7, 1994 | 94th 95th 96th 97th 98th 99th 100th 101st 102nd 103rd | First elected in 1974. Re-elected in 1976. Re-elected in 1978. Re-elected in 1980. Re-elected in 1982. Re-elected in 1984. Re-elected in 1986. Re-elected in 1988. Re-elected in 1990. Re-elected in 1992. Resigned to becomeCEO of theNational Rural Electric Cooperative Association |
| Vacant | January 7, 1994 – May 10, 1994 | 103rd | |
 Frank Lucas (Cheyenne) | Republican | May 10, 1994 – January 3, 2003 | 103rd 104th 105th 106th 107th | First elected to finish English's term. Re-elected in 1994. Re-elected in 1996. Re-elected in 1998. Re-elected in 2000. Redistricted to the3rd district |
| District dissolved January 3, 2003 |