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NPT may refer to:


Law enforcement[edit]



  • Neath Port Talbot, a county borough and one of the principal areas of Wales, United Kingdom
  • Northville-Placid Trail, a lightly travelled foot trail in the Adirondack Park in northern New York, United States


  • National pipe thread, a United States standard for tapered threads used to join pipe and fittings
  • Nested Page Tables, the former name of Rapid Virtualization Indexing, a hardware-assisted virtualization technology by AMD (Advanced Micro Devices)
  • Nissan NPT-90, a racing car developed for Nissan Motors by Nissan Performance Technology Incorporated
  • Non-pneumatic tire, another name for an airless tire


  • Nepal Time, the time zone of UTC +5:45, used in the Federal Democratic Republic of Nepal in the Himalayas
  • Nocturnal Penile Tumescence, a nighttime erection of the penis, an established accompaniment of Rapid Eye Movement sleep
  • Nuclear Non-Proliferation Treaty, an international treaty, opened for signature on July 1, 1968 to limit the spread of nuclear weapons
  • No-Plane Theory, the theory that no airplanes flew into the World Trade Center on September 11, 2001
  • NPT ensemble, a name for the isothermal–isobaric ensemble where the number of particles (N), pressure (P), and temperature (T) of the system are in equilibrium