Arthur "Art" Egerton Sixsmith (June 27, 1880 – March 15, 1969) was a Canadian professional ice hockey rover and businessman. He played for the Ottawa Hockey Club and later moved to Pittsburgh and to Portage la Prairie, Manitoba to play professionally. He was a member of the Ottawa's 1901 CAHL championship team. As one of the first professional ice hockey players, he captained and managed several of the championship teams in the Western Pennsylvania Hockey League (WPHL).