Ulster Unionist Party By-elections
| Election | Constituency | Candidate | Vote count | Vote share | Position |
| 3 May 2018 | West Tyrone | Chris Smyth | 2,909 | 8.3% | 4th |
| 9 June 2011 | Belfast West | Bill Manwaring | 386 | 1.7% | 5th |
| Election | Constituency | Candidate | Vote count | Vote share | Position |
| 3 May 2018 | West Tyrone | Chris Smyth | 2,909 | 8.3% | 4th |
| 9 June 2011 | Belfast West | Bill Manwaring | 386 | 1.7% | 5th |