| Abbreviation | Definition |
|---|---|
| SMAS | Super Mario All-Stars |
| SMASH | Skills Multi Acquistion And Sports And Health |
| SMB | Super Mario Brothers |
| SMC | Snowsports Merchandising Corporation |
| SMC | Speed Modeling Challange |
| SMDG | Sports Management Degree Guide |
| SMFC | Southern Maryland Futsal Club |
| SMG | Spectator Management Group |
| SMG | Spinnaker Mid Girth |
| SMG | Sports Management Group |
| SMG | SportsPlex Management Group |
| SMG | Stock Market Game |
| SMG | Stoke- Mandeville Games |
| SMG | Superior Moisture Grip |
| SMHA | Spotted Mountain Horse Association |
| SMI | Sports Management International |
| SMI | Sports Medicine Institute |
| SMI | Stud Middle Infield |
| SMIT | Soccer Mom In Training |
| SMK | Silent Masta Killaz |