| Acronym | Definition |
|---|
| GRSM➣Great Smoky Mountains National Park (US National Park Service) |
| GRSM➣Gender, Romantic, and Sexual Minorities |
| GRSM➣Global Religious Science Ministries |
| GRSM➣Graduate of the Royal Schools of Music |
| GRSM➣Graphic Rating Scale Method (employee evaluation; China) |
| GRSM➣Governments of Canada Strategic Reference Model |
| GRSM➣Gentamicin-Resistant Serratia Marcescens (infectious disease) |