| Hab | Habakkuk 
| Others |
| HAB | Haberdasher
| Others |
| HAB | HABitation
| Others |
| HAB | Hanford Advisory Board
| Others |
| HAB | Happiness Architecture Beauty
| Others |
| HAB | Harmful Algae Blooms
| Others |
| HAB | Harmful Algal Bloom
| Others |
| HAB | Harmful Algal Bloompictures
| Others |
| HAB | Harmful Algal Blooms
| Others |
| HAB | Harvard Alumni Bulletin
| Others |
| HAB | Hass Avocado Board
| Others |
| HAB | Hassan Ali Baig
| Others |
| HAB | Hazard Abatement Board
| Others |
| HAB | Head Airbag
| Others |
| HAB | Hearing Aid Batteries
| Others |
| HAB | Heavy Assault Bridge
| Others |
| HAB | Help A Buddy
| Others |
| HAB | Help Abused Babyz
| Others |
| HAB | Henry Alexander Burnett
| Others |
| HAB | Herzog August Bibliothek
| Others |
| HAB | Hesco Accommodation Bunker
| Others |
| HAB | HESCO Accommodation Bunkers
| Others |
| HAB | High Altitude Balloon
| Others |
| HAB | High Altitude Bomber
| Others |
| HAB | High Altitude Bombing
| Others |
| HAB | High Altitude Burst
| Others |
| HAB | High Aluminium Basalt
| Others |
| HAB | HIV AIDS Bureau
| Others |
| HAB | Home Affairs Bureau
| Others |
| HAB | Home Art Box
| Others |
| HAB | Home Automation Bus
| Others |
| HAB | Homeless Action in Barnet
| Others |
| HAB | Honda Automoveis Do Brasil
| Others |
| HAB | Hot Air Baloon
| Others |
| HAB | Housing Advisory Board
| Others |
| HAB | Houston Auto Broker
| Others |
| HAB | Hover Assualt Barge
| Others |
| HAB | Human-Animal Bond
| Others |
| HAB | Huskie Alternative Breaks
| Others |
| HAB | Hyaluronic Acid Binding
| Others |
| HAB | Hydraulics Appeals Board
| Others |