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

The election used four district electoral areas to elect a total of 23 councillors.

Note: "Votes" are the first preference votes.

1985: 3 x DUP, 2 x UUP, 1 x SDLP, 1 x Independent Unionist 1989: 2 x DUP, 2 x UUP, 1 x SDLP, 1 x Alliance, 1 x Independent Unionist 1985-1989 Change: Alliance gain from DUP 1985: 3 x DUP, 2 x UUP 1989: 2 x DUP, 2 x UUP, 1 x Independent 1985-1989 Change: Independent gain from DUP 1985: 5 x DUP, 1 x UUP 1989: 4 x DUP, 2 x UUP 1985-1989 Change: UUP gain from DUP 1985: 4 x DUP, 1 x UUP 1989: 4 x DUP, 1 x UUP 1985-1989 Change: No change