English abbreviations from hmst to hnan
- HMST (Helmet-Mounted Sensory Technology)
- HMST ADP (Helmet-Mounted Sensory Technology Advanced Development Program)
- HMSU (Hulman Memorial Student Union, Indiana State University)
- HMSV (Human Services courses)
- HMSX (Human Sexuality courses)
- HMSZ (Hydrate Meta-Stability Zone)
- HMT (Hemet-Ryan Airport)
- HMTAX (Local Hotel/Motel Excise Tax)
- HMV (His Master's Voice)
- HMW (High Molecular Weight)
- HMWV (High Mobility Wheeled Vehicle)
- HMWVV (High Mobility Multipurpose Wheeled Vehicle)
- HMX (Marine Special Mission Helicopter Squadron)
- HMXB ((celestial object) High-Mass X-Ray Binary, an X-ray-luminous binary system consisting of a compact star and a massive star)
- HN (Hospitalman)
- HNA (Hanamaki Airport)
- HNAA (Hilltowns Natural Areas Alliance)
- HNAB (HexaNitroAzoBenzene)
- HNAC (Host Nation Approval Certification)
- HNAD (Host Nation Agreement Decision)
- HNAF (Himalayan Nature and Adventure Foundation)
- HNAH (Hellenic Naval Academy of Hydra)
- HNAN (Hot News Alert Network)