| Acronym | Definition |
|---|
| HMU | Help Me Understand |
| HMU | Hook Me Up |
| HMU | Hold My Unicorn |
| HMU | Hanoi Medical University |
| HMU | Hardware Mockup |
| HMU | Hydromechanical Unit |
| HMU | Height Monitoring Unit |
| HMU | Harlan Municipal Utilities (Harlan, IA) |
| HMU | Hollow Masonry Unit (construction) |
| HMU | Harbin Medical University (China) |
| HMU | Hair/Makeup (film production) |
| HMU | Hydrogen Manufacturing Unit |
| HMU | Helicopter Maintenance Unit |
| HMU | Hit Me Up (phone, text or email me) |
| HMU | Helmet Mounted Unit |
| HMU | Host Manifest Upload (UPS) |
| HMU | Height Measuring Unit (aircraft) |
| HMU | Hydro-mechanical Metering Unit |