Fizalam-William Perras (10 March 1876 – 28 June 1936) was a Liberal party member of the House of Commons of Canada. He was born in Hull, Quebec, the son of F. Marcelin Perras and Anatalie Sabourin, and became a lumber merchant.
Perras attended the University of Ottawa. For 15 years, Perras was mayor of Gracefield, Quebec and was a warden of Hull County.
He was first elected to Parliament at the Wright riding in the 1925 general election then re-elected in 1926, 1930 and 1935. Perras died in Ottawa on 28 June 1936 from a short illness before completing his term in the 18th Canadian Parliament.