Wallace Wesley McIlwain (January 20, 1903 – June 30, 1963) was an American football player and coach.
He played professionally in the National Football League (NFL) for the Racine Tornadoes.
In 1926, he was a player-coach for the Tornadoes.
Prior to his professional career, McIlwain played college football at the University of Illinois, alongside Red Grange.