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)