Pyotr Petrovich can refer to:
- Pyotr Vershigora (1905âÂÂ1963), Soviet writer
- Pyotr Sokolov (footballer) (1890âÂÂ1971), Russian soccer player
- Pyotr Sokolov (painter) (1821âÂÂ1899), Russian painter and illustrator
- Pyotr Shirshov (1905âÂÂ1953), Soviet oceanographer, hydrobiologist, polar explorer, statesman, academician, and Hero of the Soviet Union
- Peter Troubetzkoy (1822âÂÂ1892), Russian diplomat, administrator and general
- Pyotr Schmidt (1867âÂÂ1906), a leader of the Sevastopol Uprising during the Russian Revolution of 1905.
- Pyotr Semyonov-Tyan-Shansky (1827âÂÂ1914), Russian geographer and statistician, managed Russian Geographical Society
- Peter Lacy (1678âÂÂ1751), Russian imperial commander
- Pyotr Vasilevsky (1956âÂÂ2012), retired Belarusian professional football coach and player
- Pyotr Glebov (1915âÂÂ2000), Russian film and stage actor
- Pyotr Shilovsky (1871âÂÂ1924), Russian count, jurist, statesman, governor of Kostroma (1910âÂÂ1912) and Olonets Governorate (1912âÂÂ1913), inventor of the gyrocar
- Pyotr Suvchinsky (1892âÂÂ1985), Ukrainian artistic patron and writer on music
- Peter von Glehn (1835âÂÂ1876), Russian botanist of Baltic German origin
- Pyotr Konchalovsky (1876âÂÂ1956), Russian painter, member of Jack of Diamonds group
- Grand Duke Pyotr Petrovich (1715âÂÂ1719), son of Peter the Great and Catherine I of Russia