The Right Honourable Sir Brian Mawhinney (July 26, 1940) is a British politician, a former member of the Cabinet and member of Parliament for North West Cambridgeshire.

He was a junior minister in the Northern Ireland Office from 1986 to 1992, then became Minister of State at the Department of Health until 1994. He then entered the cabinet as Secretary of State for Transport until 1995, when he became Chairman of the Conservative Party and Minister without Portfolio. He served in this position until the Tories lost the 1997 elections. He served as Shadow Home Secretary for a year under William Hague.

Preceded by: John MacGregor	Secretary of State for Transport 1994-1995	Succeeded by: George Young
Preceded by: Jeremy Hanley	Chairman of the Conservative Party 1995-1997	Succeeded by: Lord Parkinson