| Acronym | Definition |
|---|
| UMSG➣University of Maine Student Government |
| UMSG➣Urban Ministries Support Group (Nairobi, Kenya) |
| UMSG➣Urban Ministries Serving God (Kenya) |
| UMSG➣Upper Midwest Soapmakers Guild |
| UMSG➣Utrechts Medisch Sigaren Genootschap (Dutch: Utrecht Medical Cigar Society) |