Ira Jackson McArthur (born May 30, 1902, date of death unknown) was a professional American football player in the National Football League (NFL). He made his NFL debut in 1926 with the Los Angeles Buccaneers. Over the course of his six-year career, Jack played for the Chicago Bears, Providence Steam Roller, Buffalo Bisons, New York Yankees, Los Angeles Buccaneers, Frankford Yellow Jackets, Newark Tornadoes, Brooklyn Dodgers and the Orange Tornadoes. His date of death is unknown.