Elections to Coleraine Borough Council were held on 5 May 2005 on the same day as the other Northern Irish local government elections.

The election used four district electoral areas to elect a total of 22 councillors.

Note: "Votes" are the first preference votes.

2001: 3 x UUP, 2 x SDLP, 1 x DUP 2005: 2 x DUP, 2 x UUP, 1 x Sinn Féin, 1 x SDLP 2001-2005 Change: DUP and Sinn Féin gain from UUP and SDLP 2001: 3 x UUP, 2 x DUP, 1 x SDLP 2005: 3 x UUP, 2 x DUP, 1 x SDLP 2001-2005 Change: No change 2001: 3 x DUP, 2 x UUP 2005: 3 x DUP, 2 x UUP 2001-2005 Change: No change 2001: 2 x UUP, 1 x DUP, 1 x SDLP, 1 x Independent 2005: 2 x DUP, 1 x UUP, 1 x SDLP, 1 x Independent 2001-2005 Change: DUP gain from UUP