| Acronym | Definition |
|---|
| HMB | Half Moon Bay (California) |
| HMB | Heavy Menstrual Bleeding (feminine disorder) |
| HMB | Hit Me Back |
| HMB | Hold Me Back |
| HMB | Hold My Beer |
| HMB | High Memory Block |
| HMB | High Mobility Group |
| HMB | Home Mission Board (religion) |
| HMB | Home Mortgage Bank (various locations) |
| HMB | Heat and Material Balance |
| HMB | Heat and Mass Balance (engineering) |
| HMB | Hall Memorial Building (Gallaudet University; Washington, DC) |
| HMB | Hungry March Band |
| HMB | Harvest Moon Ball (various locations) |
| HMB | Husky Marching Band (University of Washington, Seattle, WA) |
| HMB | Metabolite ß-Hydroxy ß-Methylbutyrate Monohydrate (branched-chain amino acid) |
| HMB | His Majesty's Bark (British Royal Navy) |
| HMB | Hawkeye Marching Band (University of Iowa) |
| HMB | Horwood Marcus Berk (law firm; Chicago, IL) |
| HMB | Hypersensitivity to Mosquito Bite |
| HMB | 3-Hydroxy-3-Methyl Butene |
| HMB | Harmonie Municipale de Bonneville (French) |
| HMB | Here's My Buck |