What does OUA stand for?

Office of University Affairs - NASA

Order of United Americans (NADA)

Organisation de l'Unite Africaine - Organization of African Unity - OAU (EAIO)

Ouagadougou - Burkina Faso - Airport symbol (OAG)

Ouanaham - Loyalty Islands - Seismograph station code, US Geological Survey (SEIS)

Tagargrent - Language code (ETLW)