| Acronym | Definition |
|---|
| HMSL➣Hierarchical Music Specification Language (musical programming language; est. 1980) |
| HMSL➣Height above Mean Sea Level |
| HMSL➣Honda Motorcycles and Scooters Ltd. (India) |
| HMSL➣Hero Management Service Limited (Haryana, India) |
| HMSL➣Hydrazine Mustard Spin Label |
| HMSL➣(Center) High Mounted Stop Lamp (vehicle equipment) |