Medio (Spanish for "half") may refer to:

• Mediopassive voice in grammar
• Dolores Medio, a Spanish writer
• Medio Creek in Texas
• Arroyo del Medio in Argentina
• Medio, a company
• Medio, any of various halfpieces of currency across Latin America, especially
  • Any of several half-real coins
  • Any of several 5 centavo coins, approximating the notional amount of half a 1⁄8-peso real following decimalization

• Media (disambiguation)
• Medium (disambiguation)