Manuel Díaz

• Manuel Díaz (fencer), Cuban fencer who competed at the 1904 Summer Olympics
• Manuel Diaz (tennis), Puerto Rican tennis player and coach
• Manuel Díaz (Mexican cyclist), Mexican cyclist who competed at the 1932 Summer Olympics
• Manuel Díaz Gil, Spanish footballer
• Manuel Díaz Montava, Spanish Paralympic cyclist
• Manuel Díaz Vega, Spanish football referee