PSR
Template:Sister project PSR may refer to:
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Organizations
- Pacific School of Religion, Berkeley, California, US
- Palestinian Center for Policy and Survey Research
- Payment Systems Regulator in the United Kingdom
- 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
- Profit and Sustainability Rules, FA Premier League