PNS

PNS may refer to:

Medicine

 * Peripheral nervous system
 * Peripheral nerve stimulation of the occipital nerves
 * Paraneoplastic syndrome
 * Pilonidal sinus
 * Posterior nasal spine, a cephalometric landmark

Transport

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

Technology

 * Process network synthesis, a process engineering tool

Military

 * Portsmouth Naval Shipyard, United States
 * Pakistan Navy Ship

Science

 * Post-normal science, approach to making policy with uncertain information

Other

 * Pakistan Nuclear Society
 * Program on Nonviolent Sanctions, at the Center for International Affairs at Harvard University, Cambridge, Massachusetts
 * Public News Service, an American news media company