PVO

• 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 ({{langx|ru|Partiya Velikoe Otechestvo|italic=yes|links=no}}), a political party in Russia

• Peter van Onselen (born 1976), Australian television presenter and political writer
• PVO NewsDay, an Australian political program hosted by Peter van Onselen, originally known as PVO NewsHour

• Pioneer Venus Orbiter
• Performance Vehicle Operations, part of DaimlerChrysler and now Street & Racing Technology
• Probabilistic velocity obstacle, a type of velocity obstacle

• PVO (album)
• Reales Tamarindos Airport, Ecuador (IATA airport code: PVO)

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