| Acronym | Definition |
|---|
| ANR | Agriculture and Natural Resources (University of California) |
| ANR | Active Noise Reduction |
| ANR | Alpha Natural Resources, Inc. (various locations) |
| ANR | Agence Nationale de la Recherche (France) |
| ANR | Automatic Neighbor Relation |
| ANR | Application Not Responding (software) |
| ANR | Agency of Natural Resources (Vermont) |
| ANR | Americans for Nonsmokers' Rights |
| ANR | Aportes No Reembolsables (Spanish: Non-Refundable Contributions; Argentina) |
| ANR | Agency of the Research (France) |
| ANR | Approval Not Required (land division; Massachusetts) |
| ANR | Abnormal (Telabs) |
| ANR | Average Noise Reduction |
| ANR | Advanced Network Routing |
| ANR | Applied Network Research |
| ANR | Asociacion Nacional Republicana (Paraguay) |
| ANR | Automatic Network Routing |
| ANR | Ammonia-to-Nox Ratio (fuels) |
| ANR | Aeronautica Nazionale Repubblicana (Fascist Italian Republican National Air Force) |
| ANR | Applied Nursing Research (journal) |
| ANR | Adherent Nerve Root |
| ANR | Alaskan NORAD Region (US DoD) |
| ANR | Adult Nursing Relationship (erotic lactation) |
| ANR | Akkineni Nageswara Rao (indian actor) |
| ANR | Automatic Noise Reduction |
| ANR | Antwerp, Belgium - Deurne (Airport Code) |
| ANR | Absolute Neighborhood Retract (topology) |
| ANR | Association Neurofibromatoses et Recklinghausen |
| ANR | Access Node Router |
| ANR | Asociatia Nevazatorilor din România (Romanian) |
| ANR | Atmosphère Normale de Référence (French) |
| ANR | Adiabatic Nuclear Rotation |
| ANR | Average Net Receivables |
| ANR | Association of Neutron Radiographers |
| ANR | Arizona Natural Resources, Inc (Phoenix, AZ) |
| ANR | Audio Numérique Recherche (French: Digital Audio Research) |
| ANR | Air Navigation Route(s) |
| ANR | AdrenalNET Radio |
| ANR | Average Number of Runs |
| ANR | Average Not Ready (call centers) |
| ANR | Angelina & Neches Railway Company |
| ANR | Average Noise Ratio |
| ANR | Assign Net Rekey |
| ANR | Awaiting Number Received |
| ANR | Adjusted Net Revenue |
| ANR | Absolute Natural Resources, LLC (ecological consulting; Arvada, CO) |
| ANR | A-Type Noise Reduction (Dolby cassette technology) |
| ANR | Average Negative Resistance |
| ANR | Affidavit of No Records |