Petru
Petru is a given name, and may refer to:
- Petru I of Moldavia, ruler of Moldavia
- Petru II of Moldavia, co-ruler of Moldavia
- Petru Aron, ruler of Moldavia
- Petru Bălan, Romanian rugby union footballer
- Petru Cercel, voivode of Wallachia, polyglot
- Petru Dugulescu, Romanian Baptist pastor, poet, and politician
- Petru Filip, current mayor of the municipality of Oradea
- Petru Fudduni, poet
- Petru Giovacchini, Corsican hero
- Petru Groza, Romanian politician
- Petru Lucinschi, Moldova's second president
- Petru Maior, Romanian writer
- Petru Mocanu, Romanian mathematician
- Petru Pavel Aron, Romanian Greek-Catholic cleric and intellectual
- Petru Poni, Romanian chemist
- Petru Rareş, ruler of Moldavia
- Petru Stoianov, Romanian composer
- Petru Țurcaș, Romanian footballer
