English abbreviations from aopc to aou
- AOPC (Arkansas Outdoor Photographers Club)
- AOPR (Advanced Office Password Recovery)
- AOQ (Aappilattoq Heliport (Qaasuitsup))
- AOQL (Average Outgoing Quality Level)
- AOR (Area of Responsibility)
- AORN (Association of Perioperative Registered Nurses)
- AORP (Advanced Oxidation/Reduction Process)
- AORS (Army Operations Research Symposium)
- AOS (Add-on stabilisation)
- AOSM (Army of Occupation Service Medal)
- AOSP (Airport and Open Space Plan)
- AOSS (Aviation Ordnance Safety Supervisor)
- AOSTH (Adventures of Sonic the Hedgehog)
- AOT (Corrado Gex Airport)
- AOTF (Acoustic-Optic Tunable Filter)
- AOTL (All On The Line)
- AOTN (Ace Operational Teletype Network)
- AOTR (Aviation Operational Threat Response)
- AOTS (Attack of the Show!)
- AOTW (Art of the West)
- AOU (American Ornithologists' Union)