Mustapha El-Biyaz (also spelled El-Biaz; born 12 December 1960) is a retired Moroccan football defender.
El Biyaz played club football for KAC Marrakech in the Botola. He also had a brief "spell" with F.C. Penafiel in the Portuguese Liga during the 1987âÂÂ88 season. El Biyaz played for the Morocco national football team at the 1984 Summer Olympics and in the 1986 FIFA World Cup finals. In 2006, he was selected by CAF as one of the best 200 African football players of the last 50 years.