John Thomas Marshall (January 6, 1931 – May 10, 2024) was an American basketball player and coach.

In a four-year NBA career, he played for the Royals (in both Rochester and Cincinnati), as well as for the Detroit Pistons.

In his final year as a player (1958–59) he served as a player-coach; then coached the Cincinnati Royals for one additional season (1959–60) after retiring from playing.

Marshall died in Fort Myers, Florida, on May 10, 2024, at the age of 93.

This biographical article relating to a United States basketball coach is a stub.