William Abraham Hewitt was a Canadian sports executive and journalist, also widely known as Billy Hewitt. He was secretary of the Ontario Hockey Association (OHA) from 1903 to 1966, and sports editor of the Toronto Daily Star from 1900 to 1931. He promoted the establishment of the Canadian Amateur Hockey Association (CAHA), then served as its secretary-treasurer from 1915 to 1919, registrar from 1921 to 1925, registrar-treasurer from 1925 to 1961, and a trustee of the Allan Cup and Memorial Cup. Hewitt standardized player registrations in Canada, was a committee member to discuss professional-amateur agreements with the National Hockey League, and negotiated working agreements with amateur hockey governing bodies in the United States. He oversaw referees within the OHA, and negotiated common rules of play for amateur and professional leagues as chairman of the CAHA rules committee. After retiring from journalism, he was the managing-director of Maple Leaf Gardens from 1931 to 1948, and chairman of the committee to select the inaugural members of the Hockey Hall of Fame in 1945.

Greenwood Raceway was a horse racing facility in Toronto, Ontario, Canada.