Petru

Petru is a given name, and may refer to:


 * Petru I of Moldavia (Petru Mușat, 1375–1391), ruler of Moldavia
 * Petru Aron (died 1467), ruler of Moldavia
 * Petru Bălan (born 1976), Romanian rugby union footballer
 * Petru Cărare (1935–2019), writer from Moldova
 * Petru Cercel (died 1590), voivode of Wallachia, polyglot
 * Petru Dugulescu (1945–2008), Romanian Baptist pastor, poet, and politician
 * Petru Filip (born 1955), current mayor of the municipality of Oradea
 * Petru Fudduni (c. 1600–1670), poet
 * Petru Giovacchini (1910–1955), Corsican hero
 * Petru Groza (1884–1958), Romanian politician and Prime Minister
 * Petru Lucinschi (born 1940), Moldova's second president
 * Petru Luhan (born 1977), Romanian politician
 * Petru Maior (c. 1756–1821), 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 (c. 1487–1546), ruler of Moldavia
 * Petru Stoianov (born 1931), Romanian composer
 * Petru Țurcaș (born 1976), Romanian footballer


 * Ryszard Petru (born 1972), Polish politician