RAA
- Raa (film)
- Raa (surname)
- Raa Atoll
- Raa Raa (disambiguation)
- Ralph Appelbaum Associates
- Ramos Arizpe Assembly
- Reasoned action approach
- Reciprocal Access Agreement
- Recreation and Amusement Association
- Recreational Aviation Australia
- Reductio ad absurdum
- Reeve Aleutian Airways
- Regional Airline Association
- Research on Armenian Architecture
- Resource acquisition ability
- Right atrial appendage
- Royal Artillery Association
- Royal Australian Artillery
- Royal Automobile Association
- Ruby Application Archive
- Swedish National Heritage Board
- Tama-nui-te-rā
- Thaana
- The Rural Alberta Advantage