| Acronym | Definition |
|---|
| HBB | Home Based Business |
| HBB | Happy Birthday Brother |
| HBB | Helping Babies Breathe (American Academy of Pediatrics) |
| HBB | Hot Bottom Burning (astronomy) |
| HBB | Hot Band Boys |
| HBB | Human Beat Box (vocal percussion) |
| HBB | Heavenly Blessed Beauty |
| HBB | Hoes before Bros |
| HBB | Housing Bubble Blog |
| HBB | Happy Belated Birthday |
| HBB | Hot Beverage Bag (US Army) |
| HBB | Huron Bush Boys (Canadian survivalists) |
| HBB | Hot Bi Babe (polyamory) |
| HBB | Hemoglobin--beta Locus |
| HBB | Head Banger's Ball |
| HBB | Hemoglobin B |
| HBB | Helsinki Bed and Breakfast (Finland) |
| HBB | Honey Boo Baby |