USGL
| Acronym | Definition |
|---|---|
| USGL | Unidade de Suburbanos da Grande Lisboa (Portugal) |
| USGL | United States Grand Lodge (Ordo Templi Orientis) |
| USGL | Underwriter Services Gemological Laboratory (jewelry business) |
| USGL | United States Gemological Laboratory (Droste's Jewelry Shoppe; Evansville, IN) |