The 2019 Lisburn and Castlereagh City Council election was the second election to Lisburn and Castlereagh city Council, part of the Northern Ireland local elections on 2 May 2019, which returned 40 members to the Lisburn and Castlereagh city Council via Single Transferable Vote.
<small>Note: "Votes" are the first preference votes.</small>
The overall turnout was 49.21% with a total of 50,268 valid votes cast. A total of 479 ballots were rejected.
|- class="unsortable" align="centre" !rowspan=2 align="left"|Electoral Area ! % <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;">DUP</span> !colspan=2 bgcolor="" | <span style="color:black;">UUP</span> !colspan=2 bgcolor="" | <span style="color:black;">Alliance</span> !colspan=2 bgcolor=""| <span style="color:black;">SDLP</span> !colspan=2 bgcolor="" | <span style="color:black;">Sinn Féin</span> !colspan=2 bgcolor="white"| <span style="black;">Others</span> |- |align="left"|Castlereagh East |bgcolor="#D46A4C"|49.8 |bgcolor="#D46A4C"|3 |10.4 |1 |30.8 |2 |0.0 |0 |0.0 |0 |9.1 |0 |6 |- |align="left"|Castlereagh South |22.5 |1 |6.9 |1 |bgcolor="#F6CB2F"|31.6 |bgcolor="#F6CB2F"|2 |15.8 |1 |11.8 |1 |11.3 |1 |7 |- |align="left"|Downshire East |bgcolor="#D46A4C"|44.7 |bgcolor="#D46A4C"|2 |27.1 |2 |21.3 |1 |6.8 |0 |0.0 |0 |0.0 |0 |5 |- |align="left"|Downshire West |bgcolor="#D46A4C"|37.4 |bgcolor="#D46A4C"|2 |25.4 |2 |25.9 |1 |4.9 |0 |0.0 |0 |6.4 |0 |5 |- |align="left"|Killultagh |bgcolor="#D46A4C"|38.0 |bgcolor="#D46A4C"|2 |17.8 |1 |20.3 |1 |9.2 |0 |13.2 |1 |1.4 |0 |5 |- |align="left"|Lisburn North |bgcolor="#D46A4C"|33.6 |bgcolor="#D46A4C"|2 |17.7 |2 |20.3 |1 |11.6 |1 |8.9 |0 |7.9 |0 |6 |- |align="left"|Lisburn South |bgcolor="#D46A4C"|36.4 |bgcolor="#D46A4C"|3 |22.9 |2 |13.3 |1 |9.3 |0 |0.0 |0 |18.1 |0 |6 |- |- class="unsortable" class="sortbottom" style="background:#C9C9C9" |align="left"| Total |36.7 |15 |17.6 |11 |23.6 |9 |8.7 |2 |5.4 |2 |7.9 |1 |40 |-
2014: 3 x DUP, 1 x Alliance, 1 x UUP, 1 x TUV<br /> 2019: 3 x DUP, 2 x Alliance, 1 x UUP<br /> 2014-2019 Change: Alliance gain from TUV
2014: 2 x Alliance, 2 x DUP, 2 x SDLP, 1 x UUP<br /> 2019: 2 x Alliance, 1 x DUP, 1 x SDLP, 1 x UUP, 1 x Sinn Féin, 1 x Green<br /> 2014-2019 Change: Sinn Féin and Green gain from DUP and SDLP
2014: 3 x DUP, 1 x UUP, 1 x Alliance<br /> 2019: 2 x DUP, 2 x UUP, 1 x Alliance<br /> 2014-2019 Change: UUP gain from DUP
2014: 2 x DUP, 2 x UUP, 1 x Alliance<br /> 2019: 2 x DUP, 2 x UUP, 1 x Alliance<br /> 2014-2019 Change: No change
2014: 3 x DUP, 1 x UUP, 1 x SDLP<br /> 2019: 2 x DUP, 1 x UUP, 1 x Alliance, 1 x Sinn Féin<br /> 2014-2019 Change: Alliance and Sinn Féin gain from DUP and SDLP
2014: 3 x DUP, 1 x UUP, 1 x Alliance, 1 x NI21<br /> 2019: 2 x DUP, 2 x UUP, 1 x Alliance, 1 x SDLP<br /> 2014-2019 Change: UUP gain from DUP, NI21 joins SDLP
2014: 4 x DUP, 1 x UUP, 1 x Alliance<br /> 2019: 3 x DUP, 2 x UUP, 1 x Alliance<br /> 2014-2019 Change: UUP gain from DUP
None
<small>Last update 5 August 2022.</small>
Current composition: see Lisburn and Castlereagh.