Mario Sergio

• Mário Sérgio, Brazilian actor
• Mario Sergio , Canadian politician
• Mário Sérgio , Brazilian football manager and former midfielder
• Mário Sérgio, Brazilian football midfielder
• Mário Sérgio, Portuguese football right-back
• , Colombian footballer
• Mario Sérgio Lotufo, Brazilian water polo player
• Mário Sérgio, Brazilian football defender
• Mário Sérgio, Brazilian football forward