English abbreviations from hasi to hawg
- HASI ((instrumentation) Huygens Atmosphere Structure Instrument, an instrument on the Huygens probe)
- HASL (Hybrid Anaerobic Solid Liquid)
- HASP (Hardware Against Software Piracy)
- HASS (Humanities, Arts, and Social Science)
- HASSP (Home And School Support Project)
- HAST (Highly-Accelerated Stress Testing)
- HASTA (Hopeful Aware Students Taking Action)
- hat (Haitian Creole language (ISO 639-2 code))
- HATE (Hug And Tease Everyone)
- HATEOAS (Hypermedia As The Engine Of Application State)
- HATMD (High Altitude Tactical Missile Defense)
- HATR (Hazardous Air Traffic Report)
- HATS (History Arts Tours And Shopping)
- HATT (Help Authoring Tools And Techniques)
- hau (Hausa language (ISO 639-2 code))
- HAV (José Martí International Airport)
- HAVEN (Home And Values Educational Network)
- HAW (Heavy Antitank Weapon)
- Hawg (Nickname for the A - 10 Thunderbolt II)