PNS

PNS may refer to:

Medicine

• Peripheral nervous system
• Peripheral nerve stimulation of the occipital nerves
• Peripheral nerve stimulation in electroanalgesia#Peripheral nerve stimulation
• Paraneoplastic syndrome

Transport

• Pensacola International Airport (IATA airport code)
• Pensacola station (Amtrak), (Amtrak station code)

Technology

• Planetary Nebulae Spectrograph, a single-purpose instrument on the William Herschel Telescope
• Process Network Synthesis, a process engineering tool

Military

• Portsmouth Naval Shipyard, United States
• Pakistan Naval Service/Submarine

Science

• post-normal science, A empirical theory for the use of science in policy applications