Asi or ASI may refer to:

Names

• ASI Solutions, an Australian IT company
• Asi, a Russian name for the Ossetians
• Asi, another name for the Orontes River
• Asi language, a language spoken by Bantoanons from the island of Banton, Philippines
• Asi, Creek language for the Black drink brewed by Native Americans of the Southeastern United States from the leaves of the yaupon holly.
• American Share Insurance, a private deposit insurer
• Anjuman Serfaroshan-e-Islam

Sports

• Asi Taulava (born 1973), Filipino-Tongan professional basketball player

Technology

• AS-i, (AS-Interface) or Actuator Sensor Interface, a type of fieldbus
• Airspeed indicator
• Asynchronous serial interface, standardised transport interface for the broadcast industry
• Advanced Switching Interconnect, a peer-to-peer enhancement of PCI Express
• Area-specific impedance, a measure of Acoustic impedance

Organizations

• Adam Smith Institute, a libertarian think tank in the United Kingdom
• Anthropological Survey of India
• Archaeological Survey of India
• Italian Space Agency, in Italian Agenzia Spaziale Italiana
• The Advertising Specialty Institute

Others

• The Sanskrit for "sword", see Asi (Sanskrit)
• Ashford International railway station (Eurostar services) in Kent, United Kingdom
• Asi (TV series), a Turkish TV series
• Assistant Sub-Inspector of Police or ASI
• ASI, the IATA Airport code for Wideawake Airport on Ascension Island

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