Antonio Díaz-Miguel Sanz (July 6, 1933 in Alcázar de San Juan, Ciudad Real, Spain – February 21, 2000 in Madrid, Spain) was a Spanish professional basketball player and coach.
He studied in Madrid, and graduated from the University of Bilbao.
A pioneer in the worldwide promotion of basketball, he won several coaching awards, and was a frequent basketball lecturer around the world.
He was enshrined into the Basketball Hall of Fame, as a coach, on September 29, 1997.
In 2007, he was enshrined into the FIBA Hall of Fame.