Alto (disambiguation)

The word alto may refer to:

• an experimental personal computer designed by Xerox at the Palo Alto Research Center: see Alto (computer).
• a singing voice: see Alto (voice).
• a high-register musical instrument, such as the alto horn or alto saxophone.
• a city in the State of Michigan: see Alto, Michigan.
• a unit of time: see alto (time)
• "high" or "tall" in Spanish and Italian, and "stop" in Spanish.