| Acronym | Definition |
|---|
| TGSL➣Texas Guaranteed Student Loan |
| TGSL➣Torrance Girls Softball League (California) |
| TGSL➣Turfloop Graduate School of Leadership (South Africa) |
| TGSL➣Transactor Global Solutions Limited (UK) |
| TGSL➣Tibeter Gemeinschaft in der Schweiz und Liechtenstein (German: Tibetan Community in Switzerland and Liechtenstein) |
| TGSL➣Thinksoft Global Services Limited (India) |
| TGSL➣Talleyville Girls Softball League (Delaware) |
| TGSL➣Taunton Girls Softball League (Massachusetts) |
| TGSL➣Taylor Girls Softball League (Kokomo, IN) |
| TGSL➣Turnpike Girls Softball League (Pennsylvania) |
| TGSL➣Technischer Gebäudeservice Leipzig (German: Technical Building Service Leipzig; Leipzig, Germany) |
| TGSL➣Together for Globally Safe Labor (interest group) |
| TGSL➣Tewksbury Girls Softball League (Massachusetts) |