English abbreviations from oau to obcs
- OAU(Organization of African Unity)
- OAuth(Open Authentication)
- OAV(Object Attribute Value)
- OAW(Office Activation Wizard)
- OAX(Xoxocotlán International Airport)
- OAY(Outstanding Airman of the Year)
- OAYA(Outstanding Airman of the Year Award)
- OAZ(Ones And Zeros)
- ob(obiit (Latin, " he died"))
- Ob.(Obiit ("Died"))
- OBA(Oxygen Breathing Apparatus)
- OBB(Oklahoma Business Bulletin)
- OBC(Obock Airport)
- OBCS(Ocean Bottom Cable System)
