English abbreviations from aaoc to aapi
- AAOC (African American Opportunity Centers)
- AAOCC (Ann Arbor Open Coordinating Council)
- AAODC (American Association of Oilwell Drilling Contractors (obsolete; superseded by IADC))
- AAODL (Atmospheric Aerosols and Optics Data Library)
- AAOE (Arrival and Assembly Operations Element)
- AAOF (Active Army, Officer)
- AAOG (Arrival and Assembly Operations Group)
- AAOM (Association of Acupuncture and Oriental Medicine)
- AAOS (American Academy of Orthopaedic Surgeons)
- AAOU (Asian Association Of Open Universities)
- AAP (American Academy of Pediatrics)
- a.a.p. (Associated Artists Productions (former film distributor))
- AAPA (American Association of Port Authorities)
- AAPB (Academic Accommodations Policy Board)
- AAPBG (Army Automation Program Budget Guidance)
- AAPC (Advanced Armoured Personnel Carrier (Turkey))
- AAPCC (Average Adjusted Per Capita Cost)
- AAPG (American Association of Petroleum Geologists)
- AAPI (Adult Adolescent Parenting Inventory)
