Official Monster Raving Loony Party By-elections
| Election | Constituency | Candidate | Vote count | Vote share | Position |
| 2 May 2024 | Blackpool South | Howling Laud Hope | 121 | 0.7% | 8th |
| 29 February 2024 | Rochdale | Ravin Rodent Subortna | 209 | 0.7% | 11th |
| 15 February 2024 | Wellingborough | Nick The Flying Brick | 217 | 0.7% | 9th |
| 19 October 2023 | Tamworth | Howling Laud Hope | 155 | 0.6% | 8th |
| 19 October 2023 | Mid Bedfordshire | Ann Kelly | 249 | 0.4% | 7th |
| 20 July 2023 | Selby and Ainsty | Sir Archibald Stanton | 172 | 0.5% | 9th |
| 20 July 2023 | Uxbridge and South Ruislip | Howling Laud Hope | 32 | 0.1% | 16th |
| 9 February 2023 | West Lancashire | Howling Hope | 210 | 5.7% | 6th |
| 1 December 2022 | City Of Chester | Howling Laud Hope | 156 | 0.5% | 8th |
| 23 June 2022 | Wakefield | Sir Archibald Earl 'Eaton | 171 | 0.6% | 10th |
| 3 March 2022 | Birmingham, Erdington | Sir NosDa The Good Knight | 49 | 0.3% | 10th |
| 16 December 2021 | North Shropshire | Howling Laud Hope | 118 | 0.3% | 8th |
| 2 December 2021 | Old Bexley and Sidcup | Mad Mike Young | 94 | 0.4% | 11th |
| 1 July 2021 | Batley and Spen | Howling Laud Hope | 107 | 0.3% | 8th |
| 6 May 2021 | Hartlepool | Incredible Flying Brick | 108 | 0.4% | 14th |