William James "Peg" Duval was a Canadian professional ice hockey defenceman who played for the Ottawa Hockey Club and the Pittsburgh Victorias in the late 1890s and early 1900s. He was a member of the Canadian champion 1901 Ottawa team and captain of the Ottawa team for the 1902 season. He was one of the first professional players in ice hockey.
- Occupation
- ice hockey player
- Citizenship
- Canada
- Born
- August 3, 1877
- Died
- June 7, 1905
