Petro is a masculine given name, a surname and an Ancient Roman cognomen. It may refer to:

Given name

* Petro Balabuyev (1931-2007), Ukrainian airplane designer, engineer and professor, lead designer of many Antonov airplanes * Petro Doroshenko (1627–1698), Cossack political and military leader, Hetman of Right-bank Ukraine (1665–1672) and a Russian ''voyevoda'' (governor) * Petro Drevchenko (1863-1934), Ukrainian bandurist * Petro Dyachenko (1895-1965), Ukrainian military commander * Petro Dyminskyi (born 1954), Ukrainian politician, businessman and former footballer * Petro Franko (1890-1941), Ukrainian educator and author * Petro Georgiou (born 1947), Australian politician * Petro Goga, Chairman of the Constituent Assembly of Albania in 1924 * Petro Kalnyshevsky (1691?–1803), last Koshovyi Otaman of the Zaporozhian Host (in what is now Ukraine) * Petro Kharchenko (born 1983), Ukrainian former pair ice skater * Petro Kasui Kibe (1587–1639), Japanese Christian missionary, Jesuit priest and martyr * Petro Konashevych-Sahaidachny (1570-1622), political and civic leader * Petro Kondratyuk (born 1979), Ukrainian former footballer * Petro Korol (1941–2015), Ukrainian weightlifter and 1976 Olympic champion * Petro Nini Luarasi (1864-1911), Albanian nationalist, Christian orthodox priest, teacher and journalist * Petro Herkulan Malchuk (1965-2016), Ukrainian Roman Catholic Archbishop of Kyiv-Zhytomyr * Petro Marko (1913–1991), Albanian writer * Petro Mirchuk (1913–1999), Ukrainian writer * Petro Nishchynsky (1832–1896), Ukrainian linguist and composer * Petro Pakhnyuk (born 1991), Ukrainian (until 2014) and Azerbaijani (since 2014) artistic gymnast * Petro Pereverza (born 1994), Ukrainian footballer * Petro Poga (1850-1944), Albanian nationalist, one of the delegates at the Albanian Declaration of Independence * Petro Poroshenko (born 1965), Ukrainian businessman and politician * Petro Prokopovych (1775–1850), the founder of commercial beekeeping * Petro Shelest (1908–1996), First Secretary of the Communist party in the Ukrainian Soviet Socialist Republic and member of the Politburo of the Communist Party of the Soviet Union * Petro Slobodyan (born 1953), Soviet retired footballer and current Ukrainian coach * Petro Symonenko (born 1952), Ukrainian politician and First Secretary of the Central Committee of the Communist Party of Ukraine * Petro Tkachenko (1878-1919), Ukrainian blind ''kobzar'' (musician) * Petro Trad (1876-1947), Lebanese lawyer, politician and briefly President of the French Mandate of Lebanon in 1943 * Petro Trochanowski (born 1947), Polish poet * Petro Vlahos (1916-2013), Hollywood special effects pioneer * Petro Voinovsky (1913—1996), Ukrainian nationalist * Petro Zakhvalynsky (died 1943), Ukrainian nationalist

Surname

* Gustavo Petro (born 1960), Colombian politician and economist * Jim Petro (born 1948), American politician and former Ohio Attorney General * Johan Petro (born 1986), French professional basketball player * Joe Petro III (born 1956), American artist * Joseph Petro (born 1944), former United States Secret Service agent, Executive Vice President and Managing Director of Citigroup Security and Investigative Services * Pamela Petro, American artist * Nicolai N. Petro, American political science scholar * Steve Petro (1914-1994), American National Football League player

Cognomen

* Titus Flavius Petro (fl. 1st century BC), paternal grandfather of the Roman Emperor Vespasian

Other

* Petro (cryptocurrency), Venezuelan cryptocurrency * Petwo lwa, Petro lwa or Petwo, a family of lwa (loa) in Voudon (Voodoo) * Petros (disambiguation) * Petroleum {{given name, type=both Masculine given names Ukrainian masculine given names