Anthony Hopman (1906–1968), also known as Tony Trabert (the name used in the US while under contract to Jack Kramer), was a Dutch tennis player, ranked as World No. 1 on three occasions, in 1937, 1938 and 1939, by A Wallis Myers of The Daily Telegraph.
He wrote books such as Lawn Tennis (1935), Wimbledon: Seventy-Five Years of the Championships (1948) and The Art of Lawn Tennis (1964).