| 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) |