| Acronym | Definition |
|---|
| AGSL➣American Geographical Society Library |
| AGSL➣American Gem Society Laboratories (Las Vegas, Nevada) |
| AGSL➣Assistant Group Scout Leader (UK) |
| AGSL➣Almondz Global Securities Limited (finance) |
| AGSL➣Andover Girls Softball League (Massachusetts) |
| AGSL➣Applied Global Systems Lab |