Gary Francis Leonard (born February 16, 1967) is an American former professional basketball player.

Leonard played college basketball for the Missouri Tigers before being selected with the 34th pick in the 1989 NBA draft by the Minnesota Timberwolves.

In 1989, Leonard emerged as one of the leading centers available for the 1989 NBA draft with a strong senior season at the University of Missouri, posting career highs in points (10.4 ppg) and rebounds (5.5 rpg), shooting .593 from the field and totalling 42 blocked shots.

He was the only Missouri player to start every game in 1988–89, after being a part-time starter during his first three years.

He helped Missouri advance to the "Sweet 16" of the NCAA tournament that season, where they lost to Syracuse University.