| Acronym | Definition |
|---|
| THHS➣Trabuco Hills High School |
| THHS➣Townsend Harris High School (New York) |
| THHS➣Terre Haute Humane Society (Terre Haute, IN) |
| THHS➣Two Harbors High School (Two Harbors, MN) |
| THHS➣Texas Handbook for Home Schoolers |
| THHS➣The Hills Have Shaba (band) |