Hasl or HASL may refer to:
People
edit- Drago Hasl, originator of the Slovenian carnival Kurentovanje
- Jožef Hasl (1733-1804), Slovenian Jesuit priest, devotional writer and translator
Other
edit- Hot air solder leveling
- Historical Advanced Squad Leader module
- Health and Safety Laboratory, see Environmental Measurements Laboratory
- ICAO code of Shilavo Airport