The Knickerbocker Athletic Club was an early amateur and later professional football team based in Manhattan, New York City from around 1897 until 1902. The team is best known for participating in the 1902 World Series of Football. During the event, the Knickerbockers defeated the Warslow Athletic Club from Long Island by a score of 11-6. However, the Knickerbockers were defeated by the Syracuse Athletic Club, 36-0, on New Year's Eve. During the 1903 World Series of Football, the Olympic Athletic Club defeated Knickerbockers 6-0, on December 14, 1903.