| Abbreviation | Definition |
|---|---|
| HDFS | Human Development and Family Science |
| HDG | Hospitality Development Group |
| HDGP | Housing Development Grant Program |
| HDI | Health Development Initiative |
| HDI | Human Development Institute |
| HDIP | Health, Development, Information and Policy |
| HDK | Hacker Development Kit |
| HDK | Hercules Development Kit |
| HDK | Houdini Development Kit |
| HDK | Hypertext Development Kit |
| HDLC | Human Development Learning and Culture |
| HDM | Human Development Media |
| HDMF | Home Development and Mutual Fund |
| HDMF | Home Development Mutual Fund |
| HDN | Health and Development Networks |
| HDO | Hamdam Development Organization |
| HDO | Human Development Organisation |
| HDO | Human Development Organization |
| HDO | Hypothetical Development Organization |
| HDP | Housing Development Partners |