United States House of Representatives elections, 1966 Florida Florida

| District | Incumbent | Party | First_elected | Result_ | Candidates |
|---|---|---|---|---|---|
| Florida 1 | Robert L. F. Sikes | Democratic | 1940 | Re-elected | Robert L. F. Sikes (D) Unopposed |
| Florida 2 | Don Fuqua Redistricted from 9th | Democratic | 1962 | Re-elected | Don Fuqua (D) 76.3% Harold Hill (R) 23.7% |
| Florida 2 | Donald Ray Matthews Redistricted from 8th | Democratic | 1952 | Lost renomination Democratic loss | Don Fuqua (D) 76.3% Harold Hill (R) 23.7% |
| Florida 3 | Charles Edward Bennett Redistricted from 2nd | Democratic | 1948 | Re-elected | Charles Edward Bennett (D) Unopposed |
| Florida 4 | Albert S. Herlong, Jr. Redistricted from 5th | Democratic | 1948 | Re-elected | Albert S. Herlong, Jr. (D) Unopposed |