Martin John McManus (born 16 November 1961) is a former Australian politician.
Born in Hobart, Tasmania, he trained first in electrical and industrial electronics.
On 19 October 2001, he was elected as a Liberal Member to the Tasmanian House of Assembly for the seat of Franklin in a recount caused by the resignation of Peter Hodgman.
Martin McManus served as an alderman for the Clarence City Council, first elected in October 1996 and also as Deputy Mayor.
He remained an elected member for the City of Clarence for 17 years, concluding in October 2014.