Pyotr Nikolaevich Fedoseyev was a Soviet philosopher, sociologist, politician and public figure.

Pyotr Petrovich Gnedich, also known as Gnedich-Smolensky, was a Russian writer, poet, dramatist, translator, theatre entrepreneur and art history scholar. He was a grandnephew of Russian poet and translator Nikolay Gnedich. He is considered one of the founders of art history.

Pyotr Grigorievich Goncharov was a Russian/soviet composer, conductor and choirmaster.

Pyotr Ilyich Tchaikovsky was a Russian composer of the Romantic period. He was the first Russian composer whose music would make a lasting impression internationally. Tchaikovsky wrote some of the most popular concert and theatrical music in the current classical repertoire, including the ballets Swan Lake and The Nutcracker, the 1812 Overture, his First Piano Concerto, Violin Concerto, the Romeo and Juliet Overture-Fantasy, several symphonies, and the opera Eugene Onegin.

Pyotr Ivanovich Poletika was the second Russian ambassador to the United States.

Pyotr Andreyevich Karatygin was a Russian dramatist and actor. The tragic actor Vasily Karatygin (1802-1853) was his brother.

Pyotr Vasilievich Kireevsky was a Russian folklorist and philologist many of whose materials remain unpublished to this day.

Pyotr Ilyich Klimuk is a former Soviet cosmonaut and the first Belarusian to perform space travel. Klimuk made three flights into space. From 1991 to 2003, he headed the Yuri Gagarin Cosmonaut Training Center.

Pyotr Semyonovich Kogan was Russian literary historian, philologist, literary critic and university professor.

Pyotr Ageyevich Koshel is a Belarusian-born Russian writer, historian and translator.