William Barklie Henry (December 5, 1867 – December 24, 1930) was an American stockbroker and yachtsman.
He became a millionaire as the co-founder of Henry & West, later known as West & Company, a brokerage firm in Philadelphia.
Described as "one of the most expert yachting sailors" in the United States, he was a member of the Corinthian Yacht Club of Philadelphia and the New York Yacht Club, winning many yachting races held off the coast of Long Island.