PSP

PSP may refer to:

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) (Partido Socialista Popular)
 * Post-WWII Popular Socialist Party, Chile
 * Former Popular Socialist Party (Haiti) (Parti Socialiste Populaire)
 * Popular Socialist Party (Mexico) (Partido Popular Socialista, PPS)
 * Former Popular Socialist Party (Spain) (Partido Socialista Popular), merged with Spanish Socialist Workers' Party (PSOE)
 * Former Praja Socialist Party, India
 * Progress Singapore Party
 * Progressive Socialist Party (الحزب التقدمي الاشتراكي, al-hizb al-taqadummi al-ishtiraki), Lebanon
 * Progressive Socialist Party of Ukraine (, Prohresivna Sotsjalistychna Partiya Ukrayiny)
 * Former Progressive Sudanese Party (Parti soudanais progressiste), French Sudan (now Mali)
 * Former Puerto Rican Socialist Party (Partido Socialista Puertorriqueño)

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