Ottavio

• Ottavio Leoni, Italian painter
• Ottavio Rinuccini, Italian composer
• Ottavio Piccolomini,, Italian nobleman and general
• Giuseppe Ottavio Pitoni, Italian composer
• Ottavio Cinquanta, the President of the International Skating Union
• Don Ottavio, a character in Mozart's opera Don Giovanni
• One of the male innamorati of the commedia