John Arlen Patera (August 1, 1933 – October 31, 2018) was an American football player and coach in the National Football League.
He played for the Baltimore Colts, Chicago Cardinals, and Dallas Cowboys, and was an assistant coach for the Los Angeles Rams, New York Giants, and Minnesota Vikings.
Patera was the first head coach of the Seattle Seahawks, with a career head coaching record of 35–59–0 (.372), all with the Seahawks.