Elections to Banbridge District Council were held on 17 May 1989 on the same day as the other Northern Irish local government elections.

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

Note: "Votes" are the first preference votes.

1985: 3 x UUP, 1 x SDLP, 1 x DUP 1989: 3 x UUP, 1 x SDLP, 1 x DUP 1985-1989 Change: No change 1985: 3 x UUP, 1 x DUP, 1 x SDLP 1989: 4 x UUP, 1 x SDLP 1985-1989 Change: UUP gain from DUP 1985: 2 x UUP, 1 x DUP, 1 x SDLP, 1 x Independent Nationalist 1989: 2 x UUP, 1 x DUP, 1 x SDLP, 1 x Independent Nationalist 1985-1989 Change: No change