Elections to Banbridge District Council were held on 18 May 1977 on the same day as the other Northern Irish local government elections.

The election used two district electoral areas to elect a total of 15 councillors.

Note: "Votes" are the first preference votes.

1973: 4 x UUP, 2 x Independent Nationalist, 1 x Independent Unionist 1977: 3 x UUP, 1 x DUP, 1 x SDLP, 1 x Independent Nationalist, 1 x Independent Unionist 1973-1977 Change: DUP and SDLP gain from UUP and Independent Nationalist 1973: 7 x UUP, 1 x SDLP 1977: 5 x UUP, 2 x DUP, 1 x SDLP 1973-1977 Change: DUP (two seats) gain from UUP (two seats)