PSR

PSR may refer to:

Organizations

 * Pacific School of Religion, Berkeley, California, US
 * Palestinian Center for Policy and Survey Research
 * Physicians for Social Responsibility, US

Political parties

 * Revolutionary Socialist Party (Portugal) (Partido Socialista Revolucionário)
 * Romanian Socialist Party (present-day)
 * Polish Reason of State

Places

 * Abruzzo Airport (IATA airport code), near Pescara, Italy
 * Pasir Ris MRT station (MRT station abbreviation), Singapore
 * Pioneer Scout Reservation, a Boy Scout camp in Ohio, US

Science and technology

 * Pulsar, a kind of star
 * Primary radar
 * Perimeter surveillance radar
 * Posthumous sperm retrieval, from dead men

Computing

 * PHP Standard Recommendation
 * Predictive state representation of a system
 * Problem Steps Recorder, psr.exe, a Microsoft utility
 * Panel self-refresh, in Embedded DisplayPort

Law enforcement and military

 * US Precision Sniper Rifle
 * PSR-90, a Pakistani precision sniper rifle

Other uses

 * Portuguese Sign Language (ISO 639-3 language code)
 * Potential support ratio, in demographics
 * Precision scheduled railroading
 * Price–sales ratio of stocks
 * Primitive Survival Rating, on the Discovery Channel TV series Naked and Afraid
 * Principle of sufficient reason