Thomas Patrick Byrnes (February 19, 1923 – January 9, 1981) was an American professional basketball player.

He played collegiately for Seton Hall University.

He began his professional career playing for the New York Knicks of the Basketball Association of America for three seasons, before being traded to the Indianapolis Jets with cash considerations for Ray Lumpp on January 26, 1949.

[1] He spent his final two seasons playing for the Baltimore Bullets, Washington Capitols and Tri-Cities Blackhawks in the NBA.

This biographical article relating to a United States basketball player, coach, or other figure born in the 1920s is a stub.