OAA
OAA stands for:
- Virginia license plate, see United States license plate
- Senior attorney , see Higher Service
- Oceania Athletics Association , Continental Association of Oceanic State Athletics Associations
- Old Age Assistance , see US Elderly Care , see Social Security (United States) and Social Security
- Vintage car license plate in Belgium, see license plate (Belgium) (1953-2010)
- Open Automotive Alliance , association of automobile manufacturers and technology companies
- Oxford Aviation Academy , flight school in the United Kingdom
oaa stands for:
- Orok (language) (ISO-639-3 code), Tungusic language of the Oroks in Sakhalin Oblast, Russia
