Elections to Lisburn 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 28 councillors.
<small>Note: "Votes" are the first preference votes.</small>
|- class="unsortable" align="centre" !rowspan=2 align="left"|Ward ! % <br /> !Cllrs<br /> ! % <br /> !Cllrs<br /> ! % <br /> !Cllrs<br /> ! %<br /> !Cllrs<br /> ! % <br /> !Cllrs<br /> ! %<br /> !Cllrs<br /> !rowspan=2|Total<br />Cllrs<br /> |- class="unsortable" align="center" !colspan=2 bgcolor="" | <span style="color:black;">UUP</span> !colspan=2 bgcolor="" | <span style="color:black;">DUP</span> !colspan=2 bgcolor="" | <span style="color:black;">SDLP</span> !colspan=2 bgcolor="" | <span style="color:black;">Alliance</span> !colspan=2 bgcolor="" | <span style="color:black;">Sinn Féin</span> !colspan=2 bgcolor="white"| <span style="black;">Others</span> |- |align="left"|Downshire |bgcolor="40BFF5"|56.1 |bgcolor="40BFF5"|4 |32.3 |2 |0.0 |0 |10.8 |1 |0.0 |0 |0.8 |0 |7 |- |align="left"|Dunmurry Cross |26.4 |2 |10.7 |1 |18.1 |2 |7.6 |0 |bgcolor="#008800"|28.7 |bgcolor="#008800"|2 |8.5 |0 |7 |- |align="left"|Killultagh |bgcolor="40BFF5"|52.9 |bgcolor="40BFF5"|4 |17.7 |1 |10.9 |1 |7.6 |0 |0.0 |0 |10.9 |1 |7 |- |align="left"|Lisburn Town |bgcolor="40BFF5"|68.8 |bgcolor="40BFF5"|5 |10.3 |1 |0.0 |0 |18.9 |1 |0.0 |0 |2.0 |0 |7 |- |- class="unsortable" class="sortbottom" style="background:#C9C9C9" |align="left"| Total |49.9 |15 |17.8 |5 |8.0 |3 |10.7 |2 |7.6 |2 |6.0 |1 |28 |-
1985: 3 x UUP, 3 x DUP, 1 x Alliance<br /> 1989: 4 x UUP, 2 x DUP, 1 x Alliance<br /> 1985-1989 Change: UUP gain from DUP
1985: 2 x Sinn Féin, 2 x UUP, 1 x SDLP, 1 x DUP, 1 x Alliance<br /> 1989: 2 x Sinn Féin, 2 x UUP, 2 x SDLP, 1 x DUP<br /> 1985-1989 Change: SDLP gain from Alliance
1985: 4 x UUP, 2 x DUP, 1 x SDLP<br /> 1989: 4 x UUP, 1 x DUP, 1 x SDLP, 1 x Independent Conservative<br /> 1985-1989 Change: Independent Conservative gain from DUP
1985: 4 x UUP, 2 x DUP, 1 x Alliance<br /> 1989: 5 x UUP, 1 x DUP, 1 x Alliance<br /> 1985-1989 Change: UUP gain from DUP