PSO

PSO may refer to:

Orchestras

Science and technology

Particle swarm optimization, a swarm intelligence optimization technique
Password Settings Object, used in Windows Active Directory environments
Phase-shift oscillator, an electronic circuit that generates sine waves
Projective special orthogonal group
Protocol Support Organization, one of the three initial components of ICANN, later disbanded
PSO J318.5-22, a rogue planet discovered in 2013

Other uses

Pakistan State Oil
Patient safety organization
Paysite operator, the operator of a paysite, typically pornographic
Peace Support Operations, a military term used by NATO
Penalty shootout, a method of determining a winner in sports matches which would have otherwise been drawn or tied
Phantasy Star Online, a series of online role-playing video games
- Phantasy Star Online, the first game in the series
Phone sex operator, a person who provides phone sex service
Producers Sales Organization, an independent motion picture production and distribution company
Protective services officer, a member of police in Australia who performs policing duties at specific locations
Psoriasis, an autoimmune disease
PSO-1, a Soviet telescopic sight
Public Safety Officer, another name for police, firefighters, ambulance crews and other providing safety services in the U.S.
Public Service Company of Oklahoma
Public service obligation, a form of state subsidy for transport links which are not commercially viable
Puro Sangue Orientale, a breed of horse in Italy
The FAA LID code for Stevens Field airport in Archuleta County, Colorado, United States
The IATA code for Antonio Nariño Airport, serving the Colombian city of Pasto
Personal Security Officers
Provider Services Operations, a team at the National Marrow Donor Program

This disambiguation page lists articles associated with the title PSO.
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