Results for the UK general election on 7 May 2015 Great Britain - Elections contested by Official Monster Raving Loony Party
| Constituency | Candidate | Electorate | Turnout | Votes | Vote share | Vote change | Position |
| Aldridge-Brownhills | BEECH, Mark | 60,215 | 65.6% | 197 | 0.5% | - | 6th |
| Doncaster North | BRICK, Nick | 70,989 | 55.6% | 162 | 0.4% | - | 8th |
| Faversham and Mid Kent | DAVIDSON, Hairy | 69,523 | 65.9% | 297 | 0.6% | -0.2% | 6th |
| Gloucester | RIDGEON, George | 82,968 | 63.4% | 227 | 0.4% | - | 6th |
| Gower | BARON BARNES VON CLAPTRAP, David | 61,820 | 69.2% | 253 | 0.6% | - | 7th |
| Hove | DIXON, Dame | 73,505 | 71.0% | 125 | 0.2% | - | 8th |
| Islwyn | BARON, von Magpie | 55,697 | 63.6% | 213 | 0.6% | - | 7th |
| Kenilworth and Southam | GREEN, Nicholas | 63,957 | 76.3% | 370 | 0.8% | - | 6th |
| Louth and Horncastle | HILL, Peter | 74,870 | 67.2% | 263 | 0.5% | - | 7th |
| Mid Bedfordshire | KELLY, Ann | 78,501 | 74.0% | 294 | 0.5% | - | 7th |
| Mid Sussex | VON THUNDERCLAP, Baron | 81,034 | 70.9% | 329 | 0.6% | 0.1% | 7th |
| North East Hampshire | BOBETSKY, Mad Max | 76,918 | 70.2% | 384 | 0.7% | - | 6th |
| Oxford East | HATTER, Mad | 78,978 | 64.2% | 145 | 0.3% | - | 7th |
| Sittingbourne and Sheppey | YOUNG, Mike | 76,018 | 65.0% | 275 | 0.6% | -0.1% | 6th |
| Uxbridge and South Ruislip | HOPE, Howling 'Laud' | 70,631 | 63.4% | 72 | 0.2% | - | 8th |
| Wythenshawe and Sale East | DISCO, Johnny | 75,994 | 56.9% | 292 | 0.7% | - | 6th |
Turnout as calculated by the House of Commons Library, is the total number of votes cast and not spoiled, divided by the size of the electorate.
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.