VO

VO can refer to:

• Austrian Arrows' IATA code
• Data transfer object, formerly known as Value Object
• Seagram's VO Whiskey
• Vanadium(II) oxide, an inorganic compound
• Velocity obstacle
• Virtual organization (disambiguation)
• Visual Objects, an object-oriented computer programming language
• Voice-over
• Virtual Observatory, in astronomy
• Vendetta Online, a computer game
• Volapük language (ISO 639-1 code)
• Vote ordering, a concurrency control technique for guaranteeing global serializability; a generalization of commitment ordering
• Vò, a commune in the province of Padua in northern Italy
• Võ, a common Vietnamese surname
• Vo, Togo, a prefecture in Togo