| William Thompson | |
| Constituency Mp: | West Tyrone |
| Term Start: | 1 May 1997 |
| Term End: | 14 May 2001 |
| Predecessor: | Constituency Established |
| Successor: | Pat Doherty |
| Office1: | Member of Omagh District Council |
| Constituency1: | Mid Tyrone |
| Term Start1: | 15 May 1985 |
| Term End1: | 19 May 1993 |
| Predecessor1: | New district |
| Successor1: | Drew Baxter |
| Constituency2: | Omagh Area C |
| Term Start2: | 20 October 1981 |
| Term End2: | 15 May 1985 |
| Predecessor2: | Alfred Barnett |
| Successor2: | District abolished |
| Office3: | Member of the Northern Ireland Assembly for Mid Ulster |
| Term Start3: | 20 October 1982 |
| Term End3: | 1986 |
| Predecessor3: | Assembly re-established |
| Successor3: | Assembly dissolved |
| Term Start4: | 28 June 1973 |
| Term End4: | 1974 |
| Predecessor4: | New assembly |
| Successor4: | Assembly abolished |
| Office5: | Member of the Constitutional Convention for Mid Ulster |
| Term Start5: | 1975 |
| Term End5: | 1976 |
| Predecessor5: | New convention |
| Successor5: | Convention dissolved |
| Birth Date: | 26 October 1939 |
| Birth Place: | Beragh, Northern Ireland |
| Death Place: | Omagh, Northern Ireland |
| Nationality: | British |
| Party: | Ulster Unionist Party |
| Spouse: | Violet |
| Children: | Wilma Elaine Paul |
| Profession: | Farmer, Postmaster |
William John "Willie" Thompson (26 October 1939 – 12 December 2010)[1] was a Northern Irish Ulster Unionist Party (UUP) politician. He served as Member of Parliament (MP) for West Tyrone from 1997 to 2001. He was one of the UUP members opposed to the Good Friday Agreement.
He had previously been elected from the Mid Ulster constituency as an Ulster Unionist for the 1973 and 1982 Assemblies and the Northern Ireland Constitutional Convention in 1975.[2] [3] In 1983 he sought election to Westminster in the Mid Ulster constituency, however he finished fourth with 7,066 votes, losing to the DUP's Willie McCrea.[4]