Sir Martin Kelso Wallace (3 May 1898 – 12 February 1978) was a Unionist politician in Northern Ireland.
Wallace attended Methodist College Belfast and served in the RNVR during the First World War.[1] He worked as a company director and was elected as an Ulster Unionist Party member of the Belfast Corporation. He was elected as Lord Mayor of Belfast in 1961 and served for two years.[2] He became a Knight Bachelor in 1963.[3] His mayoralty made him an ex-officio member of the Senate of Northern Ireland.