HAL may refer to:
Organisations
- HAL Allergy, a Dutch pharmaceutical company
- HAL Computer Systems, a defunct computer manufacturer
- HAL Laboratory, a Japanese video game developer
- Halliburton, by NYSE ticker symbol
- Hamburg America Line, a shipping company
- Hawaiian Airlines, by ICAO code
- Hyper Articles en Ligne, a scientific open archive
- Het Amsterdams Lyceum, a Dutch secondary school
- Hindustan Aeronautics Limited, an Indian aviation and aerospace company
- Hindustan Antibiotics Limited, India's first public sector drug company
- Holland America Line, a cruise ship operator
Technology
- HAL 5, an electrically powered exoskeleton suit
- HAL (automobile), a car built in Cleveland 1916-1918
Computing
- Hardware abstraction layer, a layer of software that hides hardware differences from higher level programs
- HAL (software), an implementation of a hardware abstraction layer for Unix-like systems
- HAL/S, the computer language used to program the Space Shuttle's computers
- HAL, a Lotus Development Corporation product released in 1986
- Hackers at Large, a Dutch hackers and security conference
- Hypertext Application Language, a standard convention for defining hypermedia such as links to external resources within JSON or XML code
Entertainment
- HAL 9000, a fictional computer in the Space Odyssey series
- HΛL, a group of Japanese music arrangers
- H.A.L. (G.I. Joe), a fictional weapon in the G.I. Joe universe
- HAL FM, or CHNS-FM, a classic rock station in Halifax, Nova Scotia
Other
- Hyper Articles en Ligne, a French online research archive from the French research council CNRS
- Hyperspace Analogue to Language, a semantic memory model
- Hyundai A-League, an Australian professional association football league
- HAL Bangalore Airport or HAL Airport, Bangalore, India
See also
- Hal (disambiguation)
- Hot air solder leveling (HASL), in printed circuit boards
- All pages beginning with "HAL"
- All pages with a title containing HAL