JAL can mean the following:
- Japan Airlines - ICAO airline designator
- El Lencero Airport in Xalapa, Veracruz, Mexico (IATA Code: JAL)
- JAL (compiler) is a compiler for the PIC microcontroller.
- The state of Jalisco in México.
- Jorge Angel Livraga Rizzi, theosophist and founder of New Acropolis movement
- Jamieson Louttit controllers, receivers and managers.
- The acronym for JACK Agent Language, an agent-oriented programming language that extends Java, for the implementation of BDI agents.
- Jal, New Mexico is a town in New Mexico, USA.
- Jal (band) is a Pakistani music band.
- Jal is both a character and an episode of the British TV series Skins. See List of Skins episodes and Jal Fazer.
- Motorola iDEN Java Application Loader, a Java Micro Edition application loader, for iDEN handsets.