Elections to Larne Borough Council were held on 21 May 1997 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.
Election results
Note: "Votes" are the first preference votes.
Districts summary
|- class="unsortable" align="centre" !rowspan=2 align="left"|Ward ! % !Cllrs ! % !Cllrs ! % !Cllrs ! % !Cllrs ! % !Cllrs !rowspan=2|TotalCllrs |- class="unsortable" align="center" !colspan=2 bgcolor="" | UUP !colspan=2 bgcolor="" | DUP !colspan=2 bgcolor="" | Alliance !colspan=2 bgcolor="" | SDLP !colspan=2 bgcolor="white"| Others |- |align="left"|Coast Road |bgcolor="40BFF5"|32.4 |bgcolor="40BFF5"|2 |25.4 |1 |10.3 |0 |13.3 |1 |18.6 |1 |5 |- |align="left"|Larne Lough |bgcolor="40BFF5"|55.4 |bgcolor="40BFF5"|3 |25.3 |1 |15.8 |1 |0.0 |0 |3.5 |0 |5 |- |align="left"|Larne Town |20.9 |1 |22.9 |1 |10.2 |0 |0.0 |0 |bgcolor="#DDDDDD"|46.0 |bgcolor="#DDDDDD"|3 |5 |- |- class="unsortable" class="sortbottom" style="background:#C9C9C9" |align="left"| Total |36.4 |6 |24.5 |3 |12.2 |1 |4.2 |2 |22.7 |4 |15 |- |}