English abbreviations from oasis to oau
- OASIS (Organization for the Advancement of Structured Information Standards)
- OASL (Ohio Amateur Soccer League)
- OASP (Operational Analysis Support Paper/Plan)
- OASYS (Obstacle Avoidance System)
- OAT (Outside air temperature)
- OATA (Ontario Art Therapy Association)
- OATCERT (Online Accelerated Teacher Certification)
- OATS (Olefin Alkylation of Thiophenic Sulfur)
- OATT (Open Access Transmission Tariff (US))
- OATUU (Organization of African Trade Union Unity)
- OAU (Organization of African Unity)
