United States House of Representatives elections, 1966 Texas Texas

| District | Incumbent | Party | First_elected | Result_ | Candidates |
|---|---|---|---|---|---|
| Texas 6 | Olin E. Teague | Democratic | 1946 | Re-elected | Olin E. Teague (D) Unopposed |
| Texas 8 | Lera Millard Thomas | Democratic | 1966 | Retired Democratic hold | Robert C. Eckhardt (D) 92.3% W. D. Spayne (R) 7.7% |
| Texas 9 | Jack Brooks Redistricted from 2nd | Democratic | 1952 | Re-elected | Jack Brooks (D) Unopposed |
| Texas 9 | Clark W. Thompson | Democratic | 1947 | Retired Democratic loss | Jack Brooks (D) Unopposed |
| Texas 12 | Jim Wright | Democratic | 1954 | Re-elected | Jim Wright (D) Unopposed |
| Texas 14 | John Andrew Young | Democratic | 1956 | Re-elected | John Andrew Young (D) Unopposed |
| Texas 15 | Kika de la Garza | Democratic | 1964 | Re-elected | Kika de la Garza (D) Unopposed |
| Texas 16 | Richard C. White | Democratic | 1964 | Re-elected | Richard C. White (D) Unopposed |