| Acronym | Definition |
|---|
| HHB➣Headquarters Battery |
| HHB➣Handelshøgskolen I Bodø (Norwegian trade school; est. 1985) |
| HHB➣Deoxyhemoglobin |
| HHB➣Headquarters & Headquarters Battery |
| HHB➣Headquarters and Headquarters Battalion |
| HHB➣Half Human Band (band) |
| HHB➣Hello Honey Bear |