| 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 |