| Abbreviation | Definition |
|---|---|
| HMCS | His Majesty's Canadian Ship |
| HMCT | Highway Movement Control Team |
| HMD | Helmet-Mounted Display |
| HMDY | His Majestys DockYard |
| HME | Hull, Mechanical, and Electrical |
| HMF | Her Majesties Flagship |
| HMF | Howell M. Forgy |
| HMF | Human Magnetic Forces |
| HMFIC | Head Military Figure In Charge |
| HMG | Heavy Machine Gun |
| HMG | High Mobility Group |
| HMH | Helicopter Marine Heavy |
| HMH | Marine Heavy Helicopter Squadron |
| HMHS | Humana Military Healthcare Services |
| HMI | Human Machine Interface |
| HMIRS | Hazardous Material Information Resource System |
| HMIS | Hazardous Material Information System |
| HMLA | Marine Light/attack Helicopter Squadron |
| HMM | Helicopter Marine Medium |
| HMM | Marine Medium Helicopter Squadron |