| Acronym | Definition |
|---|
| GARS | Gilliam Autism Rating Scale |
| GARS | Glycinamide Ribonucleotide Synthetase |
| GARS | Global Absolute Return Strategy (Standard Life Investments) |
| GARS | Groningen Activity Restriction Scale |
| GARS | Global Area Reference System |
| GARS | Geek Article and Review System (vBulletin) |
| GARS | Geological Applications of Remote Sensing |
| GARS | Government Administrative Rate Supplement |
| GARS | Green Action Resource Station (Natural World Museum) |
| GARS | Governmental Accounting Research System |
| GARS | Global Asset Recovery Service (IBM) |
| GARS | Globus Advance Reservation Service |
| GARS | General Application Restraint System (aviation) |
| GARS | Gateway Association of Recreational Smokers (St. Louis, MO) |
| GARS | Gustavus Adolphus Rex Sveciae (Latin: Gustav Adolf King of Sweden) |