David Patrick Cadigan (born April 6, 1965) is a former American football offensive lineman in the National Football League.
Cadigan was born in Needham, Massachusetts. He prepped at Newport Harbor High School in Newport Beach, California.
Cadigan was a first-round draft choice in 1988 from the University of Southern California.
Cadigan played for the New York Jets between 1988 and 1993 and for the Cincinnati Bengals in 1994.