OUA
| Acronym | Definition |
|---|---|
| OUA | Ontario University Athletics (Canada) |
| OUA | Organisation de l'Unité Africaine (Organization of African Unity) |
| OUA | Open Universities Australia (Melbourne, Australia) |
| OUA | Okeechobee Utility Authority (Okeechobee, FL) |
| OUA | Organização da Unidade Africana (Portuguese) |
| OUA | Ouagadougou, Burkina Faso - Ouagadougou (Airport Code) |
| OUA | Operational Utility Assessment (US DoD) |
| OUA | Organizational User Agent |