The Chicago Athletic Association was an American football team, based in Chicago, Illinois. The club itself had been organized in 1890, and in 1892 it formed a football team. The team was built around veterans of Chicago's University Club football team.

William Walter "Pudge" Heffelfinger, also spelled Hafelfinger, was an American football player and coach. He is considered the first athlete to play American football professionally, having been paid to play in 1892 for the Allegheny Athletic Association.