| HDRC | Hastings District Respite Care 
| Others |
| HDRC | Hawaii Disability Rights Center
| Others |
| HDRC | Health Disparities Research Center
| Others |
| HDRC | Health Disparities Research Collaborative
| Others |
| HDRC | Higher Degree Research Committee
| Others |
| HDRC | Hirschsprung Disease Research Collaborative
| Others |
| HDRC | Historic and Design Review Commission
| Others |
| HDRC | Historic District Review Committee
| Others |
| HDRC | Horsham and District Riding Club
| Others |
| HDRC | Housing and Dementia Research Consortium
| Others |
| HDRC | Housing and Demographic Research Center
| Others |
| HDRC | Human Development And Research Centre
| Others |
| HDRC | Human Development Research Centre
| Others |