Result of the Dearne north ward by-election held on Thursday 27 August 2015.
| Candidate | Party | Votes |
| Gollick, Annette | Labour | 817 |
| Johnson, Jim | UK Independence | 140 |
| Devoy, Tony | Yorkshire First | 115 |
| Fletcher, Karen Jane | Trade Unionists and Socialists Against Cuts | 55 |
| Ogden, Lee | Conservative | 43 |
There were no rejected votes and the voter turnout was 14.58 per cent. The electorate for Dearne North is 8,020.
Annette Gollick (Labour) was duly elected to serve on the Dearne North ward.