OPO


AcronymDefinition
OPOOpenbaar Primair Onderwijs (Dutch: Public Primary Education)
OPOOpen Purchase Order (procurement)
OPOOrgan Procurement Organization
OPOOffice of Procurement Operations (US DHS)
OPOOphthalmic and Physiological Optics (publication; Wiley)
OPOOsaka Philharmonic Orchestra (Japan)
OPOOracle Power Objects
OPOOptical Parametric Oscillator(s)
OPOOffice of the Permanent Observer (Inter-Parliamentary Union)
OPOOvernight Pulse Oximetry (pulmonary disease)
OPOPorto, Portugal - Porto (Airport Code)
OPOOffice of Public Outreach (NASA)
OPOObservation Post Officer
OPOOther People's Opinions
OPOOne Person Operated
OPOOperations Order
OPOOpposite Polarity
OPOOffice of Provincial Outreach
OPOOPNAV Principal Official
OPOOvamboland People's Organization
OPOOffice of Personnel Operations
OPOOrbiter Project Office
OPOPsion OPL Output (executable file extension)
OPOOutpatient Observation
OPOOne Production Only (acting contracts)
OPOOperational Performance Objectives
OPOOrbiting Planetary Observatory
OPOOil Pressure Out
OPOOver-Pressure Operations
OPOOhio Peace Officer