| Acronym | Definition |
|---|
| AOR | Area Of Responsibility |
| AOR | Album Oriented Rock (music) |
| AOR | Adult Oriented Rock |
| AOR | Assignment of Rents |
| AOR | Area of Responsibility (military geographic region) |
| AOR | Adventures of Riley (book series) |
| AOR | Assessment of Risk |
| AOR | Apex Online Racing |
| AOR | Angel of Retribution (band) |
| AOR | Area of Operational Responsibility |
| AOR | Adjusted Odds Ratio |
| AOR | Assumption of Risk (legal defense) |
| AOR | Aorist (Greek case/case aspect) |
| AOR | Advanced Orthomolecular Research (Calgary, AB, Canada) |
| AOR | Acknowledgement of Receipt |
| AOR | Association of Realtors |
| AOR | Agency Of Record |
| AOR | Authorized Organizational Representative |
| AOR | Audio Output Right |
| AOR | Acceptable Operating Range |
| AOR | Accessible Outdoor Recreation (Washington) |
| AOR | Address of Record (SIP telephony) |
| AOR | Available on Request |
| AOR | Replenishment Oiler (Tanker) |
| AOR | Atlantic Ocean Region (INMARSAT) |
| AOR | Art of Regeneration (UK) |
| AOR | Arab on Radar (band) |
| AOR | Annals of Operations Research |
| AOR | Anthems of Rebellion (Arch Enemy album) |
| AOR | Average Occupancy Rate (hotels) |
| AOR | Authority On Radio |
| AOR | Angle of Repose (engineering) |
| AOR | Architect of Record |
| AOR | Application Owning Region |
| AOR | Axis of Rotation |
| AOR | Age-adjusted Odds Ratio |
| AOR | Assumption of Responsibility |
| AOR | Average Order Revenue |
| AOR | All Over the Road (Undefined radio program format) |
| AOR | App-O-Rama (credit card juggling) |
| AOR | Astronomical Observation Request (various organizations) |
| AOR | Additional Oil Recovery |
| AOR | Available on Radio |
| AOR | Alor Setar, Malaysia - Sultan Abdul Halim (Airport Code) |
| AOR | Auxiliary Oil Replenishment (Canadian Forces tanker) |
| AOR | Applied Ocean Research |
| AOR | Arithmetic Operator Replacement |
| AOR | Accumulated Operating Results |
| AOR | Acceptance Of Risk |
| AOR | Applicative Order Reduction (lambda calculus reduction strategy) |
| AOR | Advice of Rights |
| AOR | Area of Rescue (Assistance; area for emergency personnel find people of limited mobility in a building) |
| AOR | Actual Oxygen Required (wastewater treatment) |
| AOR | Annual Operating Requirements |
| AOR | Add-on Rate |
| AOR | Abnormal Occurrence Report |
| AOR | Atlantic Operating Region |
| AOR | Air Observation Report |
| AOR | Allowance Override |
| AOR | Advance List of Oversea-Returnees for Reassignment |
| AOR | Arctic Ocean Radiative Fluxes |
| AOR | Acquisition Officer Representative |
| AOR | Alpha-Omega Resources |