An election to the 56th Parliament of the United Kingdom for the constituency area of Leeds North West, held as part of the general election on 7 May 2015.
Liberal Democrats hold by Greg Mulholland with a majority of 2,907 - 6.7% - on a turnout of 70.0%.
Candidates
| Name | Party | Vote | Vote share | Vote change |
| MULHOLLAND, Greg | LD | 15,948 | 36.8% | -10.7% |
| SOBEL, Alex | Lab | 13,041 | 30.1% | 9.1% |
| STORY, Alex | Con | 8,083 | 18.6% | -7.9% |
| GOODALL, Tim | Green | 3,042 | 7.0% | 5.8% |
| METCALFE, Julian | UKIP | 2,997 | 6.9% | 5.5% |
| BUXTON, Bob | YF | 143 | 0.3% | - |
| DAVIES, Mike | AGS | 79 | 0.2% | -0.1% |
| FLANAGAN, Mark | AB | 24 | 0.1% | - |
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 61,974, having a valid vote count of 43,357 and an invalid vote count of 159.
Result declared at 07:15 on 8 May 2015.