United States House of Representatives elections, 1974 Louisiana Louisiana

| District | Incumbent | Party | First_elected | Result_ | Candidates |
|---|---|---|---|---|---|
| Louisiana 1 | F. Edward Hebert | Democratic | 1940 | Re-elected | F. Edward Hebert (D) Unopposed |
| Louisiana 4 | Joe Waggonner | Democratic | 1961 | Re-elected | Joe Waggonner (D) Unopposed |
| Louisiana 5 | Otto Passman | Democratic | 1946 | Re-elected | Otto Passman (D) Unopposed |
| Louisiana 6 | John Rarick | Democratic | 1966 | Lost renomination Republican gain | Henson Moore (R) 54.1% Jeff La Caze (D) 45.9% |
| Louisiana 7 | John Breaux | Democratic | 1972 | Re-elected | John Breaux (D) 89.3% Jeremy J. Millett (I) 10.7% |