English abbreviations from hh to hhi
- HH ((celestial object) Herbig-Haro object, objects formed when the ejecta from new stars collides with the interstellar medium)
- HH/RR (Huntington Hill/Rock Ridge Homeowner's Association)
- HHA (Home Health Agency)
- HHB (Headquarters and Headquarters Battalion)
- HHC (Hand Held Computer)
- HHD (humanitatum doctor (Latin, "doctor of humanities"))
- HHE (Hachinohe Air Base)
- HHEC (C. Beaty Hanna Horticulture and Environmental Center)
- HHF (Heaven Or Hell Factor)
- HHFD (Harvest Hope Food Drive)
- HHG (Headquarters and Headquarters Group)
- HHGTTG (HitchHiker's Guide To The Galaxy)
- HHH (Hilton Head Airport (FAA: HXD))
- HHHH (Head, Heart, Hands, and Health)
- HHI (Wheeler Army Airfield)