| Acronym | Definition |
|---|
| RAAN➣Región Autónoma del Atlántico Norte (Spanish: North Atlantic Autonomous Region) |
| RAAN➣Rural AIDS Action Network |
| RAAN➣Red & Anarchist Action Network |
| RAAN➣Right Ascension of Ascending Node |
| RAAN➣Right Ascension of the Ascending Node (orbital mechanics) |
| RAAN➣Recognized Awarded Advertising Network |