Elections to Belfast City Council were held on 5 May 2005 on the same day as the other Northern Irish local government elections. The election used nine district electoral areas to elect a total of 51 councillors, most representing the more heavily populated north and west.
The DUP emerged as the largest party, and Wallace Browne became Lord Mayor.
<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 /> ! %<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;">Sinn Féin</span> !colspan=2 bgcolor=""| <span style="color:black;">SDLP</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;">PUP</span> !colspan=2 bgcolor="white"| <span style="black;">Others</span> |- |align="left"|Balmoral |22.2 |2 |10.3 |0 |bgcolor="#99FF66"|33.1 |bgcolor="#99FF66"|2 |19.7 |1 |12.9 |1 |0.0 |0 |1.8 |0 |6 |- |align="left"|Castle |bgcolor="#D46A4C"|38.6 |bgcolor="#D46A4C"|2 |18.6 |1 |27.1 |2 |10.5 |1 |2.5 |0 |0.0 |0 |2.7 |0 |6 |- |align="left"|Court |bgcolor="#D46A4C"|67.7 |bgcolor="#D46A4C"|3 |3.3 |0 |0.0 |0 |7.7 |0 |0.0 |0 |10.7 |1 |13.9 |1 |5 |- |align="left"|Laganbank |15.1 |1 |17.8 |1 |bgcolor="#99FF66"|31.5 |bgcolor="#99FF66"|2 |18.8 |1 |9.5 |0 |0.0 |0 |7.2 |0 |5 |- |align="left"|Lower Falls |0.0 |0 |bgcolor="#008800"|85.2 |bgcolor="#008800"|5 |11.9 |0 |0.0 |0 |0.0 |0 |0.0 |0 |3.5 |0 |5 |- |align="left"|Oldpark |22.3 |1 |bgcolor="#008800"|47.5 |bgcolor="#008800"|3 |15.9 |1 |7.9 |1 |0.0 |0 |3.8 |0 |3.2 |0 |6 |- |align="left"|Pottinger |bgcolor="#D46A4C"|41.7 |bgcolor="#D46A4C"|3 |8.9 |0 |6.3 |0 |22.0 |1 |7.5 |1 |11.0 |1 |2.5 |1 |6 |- |align="left"|Upper Falls |0.0 |0 |bgcolor="#008800"|75.2 |bgcolor="#008800"|4 |24.8 |1 |0.0 |0 |0.0 |0 |0.0 |0 |0.0 |0 |5 |- |align="left"|Victoria |bgcolor="#D46A4C"|37.5 |bgcolor="#D46A4C"|3 |0.0 |0 |2.4 |0 |33.0 |2 |23.4 |2 |2.1 |0 |1.7 |0 |7 |- class="unsortable" class="sortbottom" style="background:#C9C9C9" |align="left"| Total |25.8 |15 |30.6 |14 |17.1 |8 |13.8 |7 |6.8 |4 |2.7 |2 |3.2 |1 |51 |-
2001: 2 x UUP, 2 x SDLP, 1 x Alliance, 1 x DUP<br /> 2005: 2 x SDLP, 1 x DUP, 1 x UUP, 1 x Alliance<br /> 2001-2005 Change: DUP gain from UUP
2001: 2 x DUP, 2 x SDLP, 1 x Sinn Féin, 1 x UUP<br /> 2005: 2 x DUP, 2 x SDLP, 1 x Sinn Féin, 1 x UUP<br /> 2001-2005 Change: No change
2001: 2 x DUP, 1 x UUP, 1 x PUP, 1 x Independent<br /> 2005: 3 x DUP, 1 x PUP, 1 x Independent<br /> 2001-2005 Change: DUP gain from UUP
2001: 2 x SDLP, 2 x UUP, 1 x Sinn Féin, <br /> 2005: 2 x SDLP, 1 x UUP, 1 x Sinn Féin, 1 x DUP<br /> 2001-2005 Change: DUP gain from UUP
2001: 4 x Sinn Féin, 1 x SDLP<br /> 2005: 5 x Sinn Féin<br /> 2001-2005 Change: Sinn Féin gain from SDLP
2001: 3 x Sinn Féin, 1 x SDLP, 1 x DUP, 1 x PUP<br /> 2005: 3 x Sinn Féin, 1 x DUP, 1 x SDLP, 1 x UUP<br /> 2001-2005 Change: UUP gain from PUP
2001: 3 x DUP, 1 x UUP, 1 x PUP, 1 x Alliance<br /> 2005: 2 x DUP, 2 x UUP, 1 x PUP, 1 x Sinn Féin<br /> 2001-2005 Change: DUP and Alliance gain from UUP and Sinn Féin
2001: 4 x Sinn Féin, 1 x SDLP<br /> 2005: 4 x Sinn Féin, 1 x SDLP<br /> 2001-2005 Change: No change
2001: 3 x UUP, 2 x DUP, 2 x Alliance<br /> 2005: 3 x DUP, 2 x UUP, 2 x Alliance<br /> 2001-2005 Change: DUP gain from UUP