| Acronym | Definition |
|---|
| NPT | National Pipe Taper (pipe thread specification) |
| NPT | Non-Proliferation Treaty |
| NPT | Nonprofit Times |
| NPT | Nuclear Nonproliferation Treaty |
| NPT | Newport (Rhode Island) |
| NPT | Neath Port Talbot (Welsh county) |
| NPT | National Philanthropic Trust (Pennsylvania) |
| NPT | Nocturnal Penile Tumescence |
| NPT | National Pipe Thread |
| NPT | Norwegian Post and Telecommunications Authority |
| NPT | Neomycin Phosphotransferase |
| NPT | Nashville Public Television |
| NPT | National Property Trust (New Zealand) |
| NPT | Non Punch Through (type of Insulated Gate Bipolar Transistor) |
| NPT | Near Patient Testing |
| NPT | Non-Productive Time |
| NPT | National Periodic Test |
| NPT | Neuropsychological Testing |
| NPT | New Plant Type |
| NPT | Non-Pneumatic Tire |
| NPT | Nepal Time (time zone; UTC +5:45) |
| NPT | Non-Programmable Terminal |
| NPT | National Primary Trust (UK) |
| NPT | Network Planning Tool |
| NPT | Normal Pressure and Temperature |
| NPT | Nominal Pipe Thread |
| NPT | Navy Parachute Team |
| NPT | Negative Partial Transpose |
| NPT | Normal Pipe Thread |
| NPT | National Parks Tour |
| NPT | Network Planning Terminal |
| NPT | Network Planning Technique |
| NPT | Power Turbine Speed |
| NPT | Nuclear Pharmacy Technician |
| NPT | Network Protocol Toolkit |
| NPT | Near Point Toys |
| NPT | Nucleation and Non-Linear Problems in the First-Order Phase Transitions |
| NPT | National PDES Testbed |
| NPT | Nachimuthu Polytechnic |
| NPT | Numerical Precision Tracking |
| NPT | Network Penetration Test |
| NPT | Non Plated Through (hole; printed circuit board, PCB) |
| NPT | National Shipping Administration Planning Team |
| NPT | Neighborhood Policing Teams |
| NPT | NGN for PSTN Transformation |
| NPT | Net Pay Transfer (employee salary) |
| NPT | Neighbor Power Table |
| NPT | Nuclear Plastic Toys (Mesa, Arizona) |
| NPT | No-Path Trigger |
| NPT | Nonparametric Page Test |