title: PSF
text: # PSF
  
  PSF is an abbreviation that may refer to:
  
  ## Organisations
  
  ### Political parties
  
  * French Social Party (Parti Social Français)
  * French Socialist Party (Parti Socialiste Français)
  * Palestinian Popular Struggle Front
  * Peoples Students Federation, the youth wing of the Pakistan Peoples Party
  * Provisional Sinn Féin
  * Socialist Party without Borders (Parti Socialiste sans Frontières), a leftist party in Chad
  
  ### Law enforcement
  
  * Puntland Security Force
  * Public Security Forces the principal law-enforcement arm of the Bahraini Ministry of Interior
  
  ### Business and companies
  
  * Professional service firm, a company offering consulting, legal, or other services
  * Premium Standard Farms, Inc
  * P.S.F. Records, a record label
  * Pressed Steel Fisher
  
  ### Other
  
  * Pakistan Science Foundation
  * Pharmaciens Sans Frontières
  * Pondicherry Science Forum
  * Python Software Foundation
  
  ## Technology
  
  * PC Screen Font, a font format used in Linux systems
  * Physical Storage Format, a data format for navigation data
  * Portable Sound Format
  * Progressive segmented frame, a scheme to handle progressive scan video using interlaced equipment
  * Protein structure file for molecular dynamics, a chemical file format
  * Point spread function, the response of an imaging system to a point source
  * Protein Segment Finder
  * Polysulfone
  * PSF, Potassium fluorosilicate, specifically when referring to phosphors.
  
  ## Units
  
  * Price per square foot
  * Pounds per square foot, a measure of pressure; see also Pounds per square inch
  
  ## Other
  
  * Prolate spheroidal wave function
  * Pennsylvania Shakespeare Festival
  * Phelps Stokes Fund
  * Pittsfield Municipal Airport (IATA airport code: PSF)
  * Posterior spinal fusion
  