Harry R. Dinnel Jr. (October 9, 1940 – August 26, 2017[1]) was an American basketball player and coach.

Dinnel was born and died in Los Angeles, California.

Dinnel later played for, and then coached, the Anaheim Amigos of the American Basketball Association.

In 1981 Dinnel was inducted into the Pepperdine Athletics Hall of Fame.

This biographical article relating to a United States basketball player, coach, or other figure born in the 1940s is a stub.