William Thompson (Ulster Unionist politician)

William John "Willie" Thompson (26 October 1939 – 12 December 2010) 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.

Elections in the 1970s and 1980s
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. 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.