PSF
PSF is an abbreviation for:
- Parti social français (1936-1941), founded in 1936 after the Popular Front government organization Croix de Feu had dissolved
- several parties called Parti socialiste français ( fr )
- Point spread function in optics, see point spread function
- PokerStars Festival , a poker tournament series
- Polybisphenylsulfone, see Polysulfones #Technically relevant polysulfones
- Portable Sound Format , a file format for computer game music
- Postfachfach , name used in the GDR for a post office box, see list of abbreviations (DDR) #P
- Professional Service Firm , freelance company for the creation of mostly knowledge-intensive services for companies
- Progressive Segmented Frame (PsF), a television standard
- Point slope form , a mathematical formula for determining straight lines
- Python Software Foundation , a company that manages intellectual property rights in the Python programming language
- Print Services Facility , the IBM subsystem of a printer driver for Advanced Function Presentation printers
