TIGS
| Acronym | Definition |
|---|---|
| TIGS | The Illawarra Grammar School (Mangerton, New South Wales, Australia) |
| TIGS | Teen Institute of the Garden State (NJ teen leadership organization) |
| TIGS | The Institute of Graphological Science (est. 1982; handwriting analysis) |
| TIGS | Teens in the Garden State (New Jersey) |