PSP may refer to:
Organisations Political parties
Former Pak Sarzameen Party, Pakistan Former Pacifist Socialist Party (Dutch: Pacifistisch Socialistische Partij), Netherlands Partido Socialista Popular (Cuba) People's Services Party, Vanuatu Former Popular Socialist Party (Argentina) () Post-WWII Popular Socialist Party, Chile Former Popular Socialist Party (Haiti) () Popular Socialist Party (Mexico) (, PPS) Former Popular Socialist Party (Spain) (), merged with Spanish Socialist Workers' Party (PSOE) Former Praja Socialist Party, India Progress Singapore Party Progressive Socialist Party (, al-hizb al-taqadummi al-ishtiraki), Lebanon Progressive Socialist Party of Ukraine (, Prohresivna Sotsjalistychna Partiya Ukrayiny) Former Progressive Sudanese Party (), French Sudan (now Mali) Former Puerto Rican Socialist Party ()
Government
Państwowa Straż Pożarna, State Fire Service, Poland Pennsylvania State Police, US Polícia de Segurança Pública (Public Security Police), Portugal Public Sector Pension Investment Board or PSP Investments
Computing PlayStation Portable, game console PlayStation Portal, handheld gaming accessory PaintShop Pro, graphics editor software Parallel slave port on some PIC microcontrollers Personal software process, development process Program Segment Prefix, DOS data structure Python Server Pages, for embedding Python in HTML AMD Platform Security Processor
Engineering Pierced steel planking Pneumatic stabilized platform, for large floating structures
Firearms Heckler & Koch P7 "Police Self-loading Pistol"
Science and medicine Paralytic shellfish poisoning Parker Solar Probe Excoriation disorder, dermatillomania, or pathological skin picking Phenolsulfonphthalein (phenol red), a pH indicator Photostimulable phosphor plate, for recording X-rays Polydiethylstilbestrol phosphate, an estrogen Polysaccharide peptide Postsynaptic potential, nerve voltage Pressure-sensitive paint Primary spine practitioner Progressive supranuclear palsy of the brain
Other Palm Springs International Airport, IATA airport code Payment service provider Personal Public Service Number (Irish: Uimhir Phearsanta Seirbhíse Poiblí), Ireland Philippine Sign Language, by ISO 639-3 language code Physical Security Professional Planning and Scheduling Professional, an AACE International certification President's Surveillance Program, US Pounds, shillings, and pence
See also PSPS (disambiguation)