Michael Richard "Mitch" Williams (born 27 June 1953) is a farmer and former deputy leader of the South Australian Division of the Liberal Party of Australia.
Williams was a member of the Liberal Party when he resigned in 1997 to run against Dale Baker as an independent in MacKillop, based on Millicent.
Williams was elected unopposed as Deputy Leader of the Liberal Party in South Australia on 6 April 2010.
Williams believes that current legislation allows Ministers unprecedented power to block the release of documents outright.
He has drawn attention to more progressive legislation implemented in New Zealand as a potential future model for South Australia.