Walter Van Dorn Tappan
- Bats Right, Throws Right
- Height 5' 8", Weight 158 lb.
- Debut April 16, 1914
- Final Game July 15, 1914
- Born October 8, 1890 in Carlinville, IL USA
- Died December 19, 1967 in Lynwood, CA USA
Walter Van Dorn "Tap" Tappan played for the 1914 Kansas City Packers of the 1914 Federal League. He was one of the youngest players on the team, and got into 18 games, primarily as a middle infielder. From May 3 to May 7, he played five complete games and got at least one hit in each game.