SMGT
| Acronym | Definition |
|---|---|
| SMGT | Sperm-Mediated Gene Transfer (biology) |
| SMGT | Super Marine Gas Turbine (Japanese project) |
| SMGT | Supplemental Meritorious Good Time (prisons; Illinois) |
| SMGT | Servicing Mission Ground Test (NASA) |
| SMGT | So Many Good Times (Internet slang) |