Donnie Ray Koonce (born June 13, 1959) is a retired American basketball player.
Koonce was a member of the Pistons' runner-up entry in the 1981 Southern California Summer Pro league, appearing in all 13 contest.
In the Reinforced (first) Conference that year, he teamed up with Jerry Lee Eaves to lead the newest PBA franchise to a strong fourth-place finish.
However, in the second round eliminations of the same conference, Koonce suffered a serious knee injury after a nasty fall.
After his PBA stint, Koonce earned his MBA from the University of Alabama at Birmingham and became a banking executive.