Alexander Frank Wickson (March 30, 1861 - December 22, 1936) was a prominent Toronto architect responsible for the design of numerous buildings including Timothy Eaton Memorial Church, the IOOF Hall (Toronto) and the "Ardwold" mansion for the Eaton family. He was president of the Ontario Association of Architects in 1900 and of the Royal Architectural Institute of Canada from 1918 to 1920.