Harold W. Peel (born June 21, 1879) was an early professional ice hockey player with the Pittsburgh Keystones of the Western Pennsylvania Hockey League. He was a member of the Keystones 1902 WPHL championship team. He was also one of the first openly professional hockey players. In 1902 Peel disclosed that he was paid $35 a week to play for the Keystones. This was a violation of the team's amateur status. As a result, both Canadian and U.S. officials disallowed all amateur teams to play against the Keystones and Peel's amateur status was revoked by the Ontario Hockey Association. He issued two appeals that were rejected on December 10, 1903 and again on November 30, 1904.
However, professional hockey expanded and the WPHL embraced its new professional status. As a result, the league expanded to four teams by adding the Pittsburgh Victorias, and openly enticed the best talent it could, including future Hockey Hall of Fame members Hod and Bruce Stuart from the Quebec Bulldogs, Alf Smith from the Ottawa Hockey Club and Riley Hern from the Stratford Legionnaires.