| Post: | Leader of the Ulster Unionist Party |
| Insigniasize: | 250px |
| Insigniacaption: | Ulster Unionist Party logo |
| Incumbent: | Doug Beattie MLA |
| Incumbentsince: | 17 May 2021 |
| Appointer: | Elected by party |
| Formation: | 1905 |
| Inaugural: | Edward James Saunderson |
The leader of the Ulster Unionist Party is the most senior position within the party ranks. Since 2021 the leader has been Doug Beattie MLA.[1]
| No. | Image | Name | Term start | Term end | Notes | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1905 | 1906 | Also leader of the Irish Unionist Parliamentary Party | |||||||||
| 2 | 1906 | 1910 | Also leader of the Irish Unionist Parliamentary Party | |||||||||
| 3 | 1910 | 1921 | Also leader of the Irish Unionist Parliamentary Party | |||||||||
| 4 | 1921 | 1940 | 1st Prime Minister of Northern Ireland | |||||||||
| 5 | 1940 | 1946 | 2nd Prime Minister of Northern Ireland | |||||||||
| 6 | 1946 | 1963 | 3rd Prime Minister of Northern Ireland | |||||||||
| 7 | 1963 | 1969 | 4th Prime Minister of Northern Ireland | |||||||||
| 8 | 1969 | 1971 | 5th Prime Minister of Northern Ireland | |||||||||
| 9 | 1971 | 1974 | 6th and final Prime Minister of Northern Ireland | |||||||||
| 10 | 1974 | 1979 | ||||||||||
| 11 | 1979 | 1995 | ||||||||||
| 12 | 1995 | 2005 | - | 13 | 2005 | 2010 | ||||||
| 14 | 2010 | 2012 | ||||||||||
| 15 | 2012 | 2017 | Leader of the Opposition | |||||||||
| 16 | 8 March 2017 | 9 Nov 2019 | ||||||||||
| 17 | 9 Nov 2019 | 27 May 2021 | ||||||||||
| 18 | 27 May 2021 |