THHS
| 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) |