English abbreviations from oaz to obe
- 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)
- OBD (Obano Airport)
- OBDD (Ordered Binary Decision Diagram)
- OBDTL (OBDT Log)
- OBE (Officer of the Order of the British Empire)