Found 4 full forms for HDHS
| Term | Full Form | Category |
|---|---|---|
| HDHS | Haribhai Deokaran High School 
| Others |
| HDHS | Harrow District High School
| Others |
| HDHS | Harwich and Dovercourt High School
| Others |
| HDHS | Hiwassee Dam High School
| Others |