CAL may refer to:
- CAL Cargo Air Lines, a cargo airline based in Israel.
- China Airlines, ICAO Code: CAL
- Client Access License (CAL), for operating systems and software requiring such a license. E.g. Windows Server 2003
- Cyberathlete Amateur League (CAL)
- Conversational Algebraic Language, CAL programming language, similiar to JOSS.
See also
- Cal (disambiguation)