| Acronym | Definition |
|---|
| NRT | Nicotine Replacement Therapy |
| NRT | Norm-Referenced Test |
| NRT | Natural Resource Tax |
| NRT | National Recreation Trail (National Trails System; US Interior Department) |
| NRT | Non-Real-Time |
| NRT | Normal Renal Tissue |
| NRT | National Response Team |
| NRT | near real time |
| NRT | Noise Reduction Technology |
| NRT | Non Real Time |
| NRT | Northern Rangelands Trust (Kenya) |
| NRT | Nursing Resource Team (various organizations) |
| NRT | Tokyo, Japan - Narita (Airport Code) |
| NRT | Near-Regular Texture (algorithm) |
| NRT | Neighbor Relation Table |
| NRT | Nationally Recognised Training (Australia) |
| NRT | Net Registered Tonnage |
| NRT | Non-Resident Tax |
| NRT | Nokia Ringtone File (computing) |
| NRT | National Rail Timetable (UK) |
| NRT | Non-Regression Testing (software and engine control units) |
| NRT | Not Real Time |
| NRT | National Reporting Toolkit (environmental software; United Arab Emirates) |
| NRT | Naval Reserve Training |
| NRT | Non-Requesting Terminal |
| NRT | Nutrient Removal Technology |
| NRT | Normed Referenced Test |
| NRT | Normal Rated Thrust |
| NRT | Norwottuck Rail Trail (Massachusetts) |
| NRT | Nodal Reentrant Tachycardia |
| NRT | National Rotorcraft Transport |
| NRT | Network Readiness Test (data) |
| NRT | Non-Recognizable Target |
| NRT | Navy Review Team |
| NRT | Vessels Assigned Naval Districts for Training Naval Reserves (US Navy) |
| NRT | Newreka Reduction Technology (Newreka Green Synth Technologies Pvt. Ltd.; India) |