| Abbreviation | Definition |
|---|---|
| HPDC | History Professional Development Committee |
| HPDP | Highway Project Development Process |
| HPHD | Health Promotion and Human Development |
| HPHD | High Performance Hockey Development |
| HPLD | Highest Possible Level of Development |
| HPPD | High Performance Product Development |
| HRAH | Housing and Redevelopment Authority of Hutchinson |
| HRD | Hindu Rashtra Development |
| HRD | Human resource and development |
| HRD | Human Resource Development |
| HRDA | Halifax Regional Development Agency |
| HRDA | Human Resource Development Agency |
| HRDA | Human Resources Development Agency |
| HRDA | Human Resources Development Authority |
| HRDC | Headwaters Regional Development Commission |
| HRDC | Hellenic Regional Development Center |
| HRDC | Human Resource Development Center |
| HRDC | Human Resource Development Council |
| HRDC | Human Resources Development Canada |
| HRDC | Human Resources Development Center |