PSO

Acronym	Definition
pso	psoriasis
PSO	Public Service Obligation (chiefly European)
PSO	Professional Services Organization
PSO	Public Safety Officer
PSO	Project Support Office (project management)
PSO	Provider Sponsored Organization
PSO	Provincial Sport Organization (Canada)
PSO	Protocol Supporting Organization (ETSI, IETF, ITU, W3C Consortium)
PSO	Public Service of Oklahoma
PSO	Program Secretarial Officer
PSO	Password Settings Object
PSO	Peoria Symphony Orchestra (Illinois)
PSO	Process Sign-Off
PSO	post security officer (US DoD)
PSO	Paralegal Society of Ontario
PSO	Pasto, Colombia - Cano (Airport Code)
PSO	Participating Standards Organization
PSO	Piano-Shaped Object (shoddily made or badly damaged piano)
PSO	Portsmouth Symphony Orchestra (Portsmouth, OH)
PSO	Procurement Support Office
PSO	Pembroke Symphony Orchestra (Canada)
PSO	Peter Skene Ogden Secondary (school)
PSO	Plan de Sécurité Opérateur (French: Safety Plan Operator)
PSO	Production Sign Off
PSO	Project Safety Officer
PSO	Permanent Slow Order (railway)
PSO	Protectseniors.org (Washington, DC lobby)
PSO	Primary Strike Objective
PSO	Practice/Study/Observation (various universities)
PSO	Primary Standardization Office
PSO	Program Staff Office/Officer
PSO	Provisions Supply Office
PSO	Preliminary Screening Officer
PSO	Proud Social Outcast
PSO	Possible Survivable Options
PSO	Project Step Off
PSO	Payload Sensor Operator
PSO	Primary Support Official
PSO	Policy Service Office (insurance)
PSO	Plan for Safe Operation
PSO	Parma Symphony Orchestra (Parma, OH)
PSO	Polysporin Ointment
PSO	Pakistan State Oil
PSO	Polycystic Ovary Syndrome
PSO	Port Security Officer
PSO	Partner Solution Offering (Dell)
PSO	Professional Staff Organization (various organizations)
PSO	Penalty Shoot-Out (football / soccer)
PSO	Principal Scientific Officer
PSO	Personal Service Organization
PSO	Pressure Shut Off
PSO	Prep Sports Online (high school sports websites)
PSO	Patient Safety Organization (Rockville, MD)
PSO	Portland Symphony Orchestra (since 1923; Portland, Maine)
PSO	Poker Source Online (gambling)
PSO	Phone Sex Operator
PSO	Parent Support Organization
PSO	PlayStationOne
PSO	Post Secondary Option (education)
PSO	Particle Swarm Optimization
PSO	Peace Support Operation
PSO	Phantasy Star Online
PSO	Processing Services Operation (Sprint)
PSO	Product and Service Offer
PSO	Product Support Office