| Acronym | Definition |
|---|
| NCR | National Cash Register Company |
| NCR | National Capital Region |
| NCR | National Catholic Register (newspaper) |
| NCR | National Catholic Reporter (newspaper) |
| NCR | National Cell Repository |
| NCR | National Commission for Reparations |
| NCR | National Computer Registry |
| NCR | National Council of Resistance |
| NCR | national cryptologic representative (US DoD) |
| NCR | National Security Agency/Central Security Service representative (US DoD) |
| NCR | Nationale Cooperatieve Raad voor land- en Tuinbouw (National Co-operative Council for Agriculture and Horticulture; The Netherlands) |
| NCR | NATO Commanders Representative |
| NCR | Natural and Cultural Resources |
| NCR | Natural Color Relief (maps) |
| NCR | Naval Construction Regiment |
| NCR | Navy Change Request |
| NCR | NCCS Change Request |
| NCR | Net Collectible Revenue (Sprint) |
| NCR | Network Capacity Requirements |
| NCR | Network Clock Reference |
| NCR | Neuro-Cranial Restructuring |
| NCR | Neutrophil Chemotactic Response |
| NCR | Niles Canyon Railway |
| NCR | No Calibration Required (tool control program) |
| NCR | No Canadian Rights (intellectual property/performance rights) |
| NCR | No Carbon Required |
| NCR | no cardiac resuscitation |
| NCR | Nomenclature Change Request |
| NCR | Non Carbon Residue |
| NCR | Non-Compliance Rating (medicine) |
| NCR | Non-Compliance Report |
| NCR | Non-Conformance Report |
| NCR | Non-Contingent Reinforcement |
| NCR | North Carolina Renaissance |
| NCR | North Central Region |
| NCR | North Circular Road (Dublin, Ireland) |
| NCR | North County Road (Texas) |
| NCR | Northern Central Railroad |
| NCR | Notification of Change Report |
| NCR | NTCS-A Change Request |
| NCR | Nucleo Central de Reacción (Guatemala, special police division) |
| NCR | Núcleo Central de Reserva (Guatemala police task force) |
| NCR | Nonconformance Report |
| NCR | Numeric Character Reference |
| nCr | Combination (probabilities) |