| Acronym | Definition |
|---|
| SMGC | St.Maria Goretti Church (India) |
| SMGC | Santa Margarita Gun Club (California) |
| SMGC | Self Made Gentlemen's Club |
| SMGC | Southern Michigan Gun Club (Kalamazoo, MI and Mattawan, MI) |
| SMGC | Shafallah Medical Genetics Center (Qatar) |
| SMGC | Small Mucous Granule Cell |
| SMGC | Sunnyvale Men's Golf Club (Sunnyvale, CA) |
| SMGC | Surface Movement Guidance and Control |
| SMGC | Salam Medical Group Company (Saudi Arabia) |
| SMGC | Southers Marsh Golf Club (Plymouth, MA) |
| SMGC | Surface Marine Gridded Climatology |
| SMGC | Supply Management Grouping Codes |
| SMGC | Southern Maine General Contracting (Portland, ME) |
| SMGC | State Medical Genetics Center (Latvia) |