Prince Pyotr Ivanovich Bagration was a Russian general and prince of Georgian origin, prominent during the Napoleonic Wars.

Pyotr Ivanovich Bartenev was a Russian historian and collector of unpublished memoirs.

Pyotr Alexeyevich Bessonov or Bezsonov was a leading Russian folklorist who collected and published many East Slavic and South Slavic folk songs.

Pyotr Alexandrovich Blinov was a Soviet Udmurt writer and journalist.

Pyotr Dmitryevich Boborykin was a Russian writer, playwright, and journalist.

Pyotr Vasilyevich Bykov was a Russian literary historian, editor, poet and translator.

Pyotr or Petr Yakovlevich Chaadayev was a Russian philosopher. He was one of the Russian Schellingians.

Pyotr Stepanovich Deynekin was a Russian military general. He was born in Morozovsk, Russian SFSR, Soviet Union. In 1997, he was awarded the Hero of the Russian Federation. Deynekin's rank was General of the army. Also he had the federal state civilian service rank of 1st class Active State Councillor of the Russian Federation.

Prince Pyotr Vladimirovich Dolgorukov (1816–1868) was a Russian historian and journalist known for his genealogical research and as a critic of the Imperial Russian government. His father was the general Vladimir Petrovich Dolgorukov.

Pyotr Ivanovich Evdóshenko is considered to be as one of the prominent poets of the Silver Age.