| Acronym | Definition |
|---|
| HADR➣High Availability Disaster Recovery (IBM) |
| HADR➣Highly Ability Disaster Recovery |
| HADR➣Humanitarian Assistance and Disaster Relief |
| HADR➣Houston Area Doberman Rescue (Texas) |
| HADR➣High-Availability Data Replication (network technology) |
| HADR➣Hughes Air Defense Radar |