Mario Ruiz

Mario Ruiz may refer to:

• Mario Ruiz Armengol (1914–2002), Mexican pianist, composer and conductor
• Mario Ruiz Massieu (1950–1999), Mexican lawyer and ambassador
• Mario Ruíz (Mario Alejandro Ruíz Díaz, born 1977), Mexican footballer
• Mario Ruiz (actor), Colombian actor, appeared in the series Tres Caínes