| Acronym | Definition |
|---|
| NTR | Nitro (Nintendo DS codename) |
| NTR | Non Tax Revenue (various locations) |
| NTR | Normal Trade Relations (international economic term; Most Favored Nation, MFN) |
| NTR | New to Range |
| NTR | National Trail Raceway (Ohio) |
| NTR | Non-Traditional Revenue |
| NTR | National Toll Roads (Ireland) |
| NTR | Nuclear Thermal Rocket |
| NTR | Need to Run (manufacturing facilities) |
| NTR | Nothing To Report |
| NTR | Network for Translational Research (various locations; cancer research) |
| NTR | Net Transmit & Receive (technology company; Spain) |
| NTR | Network Traffic Redirection |
| NTR | National Trauma Registry (Canada) |
| NTR | Nouvelles Télé-Radio |
| NTR | National Toxics Rule |
| NTR | Network Time Reference |
| NTR | Non-Transportation-Related (facilities) |
| NTR | Normal Tariff Rate (India) |
| NTR | Nandamuri Taraka Ramarao (Indian celebrity) |
| NTR | Netorare (Japanese: Cuckold) |
| NTR | Nandamuri Taraka Ramarao (actor) |
| NTR | Networks that Run, Inc. (Malden, MA) |
| NTR | Narrow Therapeutic Range |
| NTR | Net Time Reference |
| NTR | Notice To Reader |
| NTR | Nuclear Test Reactor |
| NTR | Navy Technical Representative |
| NTR | Noise-Temperature Ratio |
| NTR | Nine Thousand Remote |
| NTR | Non-Tactical Radio |
| NTR | National Transport Rotocraft |
| NTR | No Traffic Reported |
| NTR | Normal Tax Rate (economics) |