OQ

OQ may refer to:

• Chongqing Airlines, IATA code OQ
• Queen Air, a defunct airline and previous user of IATA code OQ
• Royale Airlines, a defunct airline and previous user of IATA code OQ
• One Queensbridge, a supertall skyscraper expected to be built in Melbourne, Australia
• Operational qualification, part of Verification and validation
• A part of the V-Model of systems development
• Officier (Officer) of the National Order of Quebec
• Opera Queensland, Australia
• A range of drones, including the Radioplane OQ-2
• Peckett OQ Class of locomotives
• Orienteering Queensland, a state-level sports body in Australia
• OQ (company), an energy investment company headquartered in Muscat, Oman

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