| 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 |