PVO may refer to:
Businesses, military and organisations
- Private voluntary organization
- Pohjolan Voima Oy, a Finnish energy company
- Protivo-Vozdushnaya Oborona, the air defence forces branch of the Soviet and Russian military
- Great Fatherland Party (), a political party in Russia
People
- Peter van Onselen (born 1976), Australian television presenter and political writer
- PVO NewsDay, an Australian political programme hosted by Peter van Onselen, originally known as PVO NewsHour
Technology
- Pioneer Venus Orbiter
- Performance Vehicle Operations, part of DaimlerChrysler and now Street & Racing Technology
- Probabilistic velocity obstacle, a type of velocity obstacle
Other uses
- PVO (album)
- Reales Tamarindos Airport, Ecuador (IATA airport code: PVO)