| Acronym | Definition |
|---|
| SMSG➣Sms Gateway |
| SMSG➣School Mathematics Study Group (think tank) |
| SMSG➣Sales, Marketing and Services Group (Microsoft) |
| SMSG➣Schweizerische Multiple Sklerose Gesellschaft (German: Swiss Multiple Sclerosis Society; Switzerland) |
| SMSG➣Strategic Material Sourcing Group (US DoD) |
| SMSG➣Software Maintenance Study Group (est. 1990; Japan) |
| SMSG➣Squamous Metaplasia of Sebaceous Gland (pathology) |