Petru is a given name, and may refer to:Petru I of Moldavia, ruler of Moldavia Petru Aron, ruler of Moldavia Petru Bălan, Romanian rugby union footballer Petru Cărare (1935–2019), writer from Moldova Petru Cercel, voivode of Wallachia, polyglot Petru Dugulescu (1945–2008), Romanian Baptist pastor, poet, and politician Petru Filip, current mayor of the municipality of Oradea Petru Fudduni, poet Petru Giovacchini (1910–1955), Corsican hero Petru Groza (1884–1958), Romanian politician and Prime Minister Petru Lucinschi, Moldova's second president Petru Luhan, Romanian politician Petru Maior, Romanian writer Petru Mocanu (1931–2016), Romanian mathematician Petru Pavel Aron (1709–1764), Romanian Greek-Catholic cleric and intellectual Petru Poni (1841–1925), Romanian chemist Petru Rareș, ruler of Moldavia Petru Stoianov, Romanian composer Petru Țurcaș, Romanian footballerRyszard Petru, Polish politician