Joseph Frederick Keetley (28 June 1897 – 30 March 1958), also known as Jack Keetley, was an English footballer who played as a forward. He was born in Derby and has ten brothers and has one sister. Like eight of his brothers, he started off playing for the local amateur Victoria Ironworks team. He and five of his brothers, Arthur, Harry, Tom, Frank and Charlie, went on to play professionally in the Football League.