OPO

"OPO" or "Opo" can refer to:

• Optical parametric oscillator
• OPO is the IATA airport code of Francisco de Sá Carneiro Airport, Porto, Portugal
• Organ procurement organization, which helps to arrange organ donation
• One Person Operation, a term used in road passenger transport where a driver of a vehicle has sole responsibility for operating the vehicle and passenger interaction. The opposite of the earlier two-person operation system where the vehicle operation and passenger interaction roles (for example, driver and conductor) were separate and distinct.
• Opo is a common name for the squash species Lagenaria siceraria
• Opo the Dolphin was the name of a famous dolphin in New Zealand
• Online Presence Ontology
• Orlando Philharmonic Orchestra

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