# PSS

PSS may refer to:

## Businesses and organizations
### Government and military organizations

* Palestinian Security Services, the armed forces and intelligence agencies of the State of Palestine
* Parliament Security Services, in charge of providing security to the Parliament of India
* Presidential Security Service (South Korea), a South Korean close protection agency

### Political parties

* Sammarinese Socialist Party (Italian: Partito Socialista Sammarinese), San Marino
* Senegalese Socialist Party (French: Parti Socialiste Sénégalais)
* Strength of Serbia Movement (Pokret snaga Srbije), a political party in Serbia

### Schools
#### Canada

* Parkland Secondary School, North Saanich, Victoria, British Columbia
* Penetanguishene Secondary School, Simcoe County District School Board, Ontario
* Penticton Secondary School, Penticton, British Columbia
* Pinetree Secondary School, Coquitlam, British Columbia
* Parkview Secondary School, Hamilton, Ontario

#### Elsewhere

* Park Secondary School, Dudley, West Midlands
* Popatlal Secondary School, Tanga, Tanzania

### Other businesses and organizations

* Price Stern Sloan, a publishing imprint of Penguin
* Product Support Services, a Microsoft business unit
* PSS World Medical, an American distributor of medical products, equipment, billing services and pharmaceuticals
* Pakistan Statistical Society, an academic and professional society of statisticians
* Społem or PSS Społem, a Polish consumers' co-operative of local grocery stores
* PSS (UK), a British social care charity
* Personal Software Services, a defunct British video game publisher

## Science and technology
### Biology and medicine

* Perceived Stress Scale, an instrument for measuring perceived stress in humans
* Porcine stress syndrome, a condition in pigs
* Portosystemic shunt, a disease found in humans, cats and dogs
* Progressive systemic sclerosis, a rare chronic disease
* Psychosocial short stature, a growth disorder that is caused by extreme stress

### Computing

* Packet Switch Stream, a British packet-switched network
* Packet switching, a method of grouping data that is transmitted over a digital network into packets
* Panorama Software Sys-On-Line
* Passenger service system, systems used by airlines to manage reservations, inventory and check-in
* Performance supervision system, a software system used to improve the performance of a process plant
* Physical symbol system, a hypothesis in artificial intelligence research
* Power system simulator for engineering (PSS®E or PSS/E), software to simulate electrical power transmission networks
* Probabilistic signature scheme, a secure way of creating signatures with RSA
* Proportional set size, a measure of computer program memory use

### Physics and chemistry

* Periodic steady-state analysis, type of simulation
* Physica Status Solidi, a family of academic journals focused on solid state physics
* Photostationary state, the equilibrium chemical composition under a specific kind of electromagnetic irradiation
* Plasma sound source, a means of making sonar underwater
* Polystyrene sulfonic acid, also known as sodium polystyrene sulfonate or poly(styrenesulfonate)
* Practical Salinity Scale, the conductivity ratio of a sea water sample to a standard KCl solution

### Other uses in technology

* PSS silent pistol, a Soviet-designed silent handgun
* PortaSound PSS series, a series of portable Yamaha keyboards
* Power scale soaring, a form of radio controlled model flying
* Power system stabilizer, in power generation; see Wide-area damping control

## Sports teams and stadia

* Paikiasothy Saravanamuttu Stadium, Colombo, Sri Lanka
* Philippine Sports Stadium, Bocaue, Philippines
* PFC Septemvri Sofia, a Bulgarian football club
* Porvoon Salibandyseura, a Finnish sports club
* PSS Sleman, an Indonesian football club

## Other uses

* Kaulong language (ISO 639:pss), an Austronesian language
* Libertador General José de San Martín Airport (IATA code PSS), Posadas, Misiones, Argentina
* Player Search System, how Pokémon X and Y players can connect to each other around the world
* Project SuperStar (abbreviated PSS), a Singaporean singing reality-competition franchise
* Product-service system, a system of consumer access to products, as an alternative to personal product ownership
* Psalms, a book of the Hebrew Bible
* PSS, a ship prefix meaning Palau State Ship
* PSS Nkwen kidnapping, a 2008 kidnapping at Presbyterian Secondary School in Nkwen, near Bamenda, Cameroon
* PSS-line, a fortified defense line in Finland during World War II; see Battle of Nietjärvi