Henry Judah "Flip" Trihey (December 25, 1877 – December 9, 1942) was a Canadian amateur ice hockey player and executive in the era before professional ice hockey.
Trihey played the centre forward position for the Montreal Shamrocks, and was regarded as the best forward of his day during his playing years.After his retirement as a hockey player, Trihey became a noted lawyer in Montreal, operating his own law firm and partnering in others while serving as an executive in the Canadian Amateur Hockey League.
He served in World War I as battalion commander of the Irish Canadian Rangers, and held the post of Port Commissioner for the Montreal Harbor Commission in later years.
He is an Honoured Member of the Hockey Hall of Fame.