1985 Castlereagh Borough Council election

Main article: Northern Ireland local elections, 1985
1985 Castlereagh Borough Council election
← 1981 15 May 1985 (1985-05-15) 1989 →
All 21 seats to Castlereagh Borough Council
11 seats needed for a majority
  First party Second party Third party
 
Party DUP UUP Alliance
Seats won 10 8 3
Seat change Increase 1 Increase 3 Decrease 1
  Fourth party
 
Party Ind. Unionist
Seats won 0
Seat change Decrease 1

Elections to Castlereagh Borough Council were held on 15 May 1985 on the same day as the other Northern Irish local government elections. The election used three district electoral areas to elect a total of 21 councillors.