An election to the 56th Parliament of the United Kingdom for the constituency area of Ayr, Carrick and Cumnock, held as part of the general election on 7 May 2015.
SNP gain from Labour by Corri Wilson with a majority of 11,265 - 21.6% - on a turnout of 71.5%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| WILSON, Corri | SNP | 25,492 | 48.8% | 30.8% |
| OSBORNE, Sandra | Lab | 14,227 | 27.3% | -19.9% |
| LYONS, Lee | Con | 10,355 | 19.8% | -5.7% |
| ADAM-SMITH, Joseph | UKIP | 1,280 | 2.5% | - |
| BRODIE, Richard | LD | 855 | 1.6% | -7.7% |
Under section 13(b) of the Representation of the People Act 1985, a candidate gaining 5% or less of the vote share will forfeit their deposit.
An electorate of 72,995, having a valid vote count of 52,209 and an invalid vote count of 59.
Result declared at 09:40 on 8 May 2015.