Don Valley West (French: Don Valley-Ouest) is a federal electoral district in Ontario, Canada, that has been represented in the House of Commons of Canada since 1979. Its population in 2001 was 115,539. 13.6% of the population is Muslim, the highest in Canada. Its most high-profile MPs have been John Bosley, who was Speaker of the House 1984-86 and John Godfrey, who served in the cabinet of Prime Minister Paul Martin as a Minister of State.