| Acronym | Definition |
|---|
| RAH➣Royal Albert Hall (London, UK) |
| RAH➣Royal Academy of History (Spain) |
| RAH➣Read At Home (student program) |
| RAH➣Royal Adelaide Hospital (Australia) |
| RAH➣Read Ahead |
| RAH➣Republic Airways Holdings (Indianapolis, IN) |
| RAH➣Robert Anson Heinlein (sci-fi author often credited with acronym TANSTAAFL) |
| RAH➣Recent American History |
| RAH➣Right to Adequate Housing |
| RAH➣Rensselaer at Hartford (Rensselaer Polytechnic Institute; New York) |
| RAH➣Reconnaissance Attack Helicopter |
| RAH➣Random Access Humor (online humor magazine) |
| RAH➣Rich Arse-Hole |
| RAH➣Research Attack Helicopter |
| RAH➣Researching Alternative Health Foundation (California) |
| RAH➣Réalisation Atelier Headway (French electronics company) |