An election to the 56th Parliament of the United Kingdom for the constituency area of North Ayrshire and Arran, held as part of the general election on 7 May 2015.
SNP gain from Labour by Patricia Gibson with a majority of 13,573 - 25.2% - on a turnout of 71.1%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| GIBSON, Patricia | SNP | 28,641 | 53.2% | 27.2% |
| CLARK, Katy | Lab | 15,068 | 28.0% | -19.4% |
| GREENE, Jamie | Con | 7,968 | 14.8% | -0.8% |
| MCGONIGAL, Sharon | UKIP | 1,296 | 2.4% | - |
| KIRKWOOD, Ruby | LD | 896 | 1.7% | -8.4% |
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 75,791, having a valid vote count of 53,869 and an invalid vote count of 86.
Result declared at 03:20 on 8 May 2015.