William Sanford Evans (December 18, 1869 – June 27, 1949) was a Manitoba politician. Between 1933 and 1936, he was the leader of Manitoba's Conservative Party caucus. the son of Rev. J.S. Evans and Mary Jane Vaux. He was educated at the Collegiate Institute in Hamilton, Ontario, Victoria University and Columbia University. He subsequently moved to Manitoba.
Evans was active in the publishing industry of his new province, founding the Winnipeg Telegram and writing a book on Canadian Imperialism during the Second Boer War.
Evans was first elected to the Manitoba legislature in 1922, leading the Conservative party list in Winnipeg (which elected ten MLAs through preferential balloting). He was re-elected in 1927 and 1932,