Pyotr Isaevich Veinberg was a Russian poet, translator, journalist and literary historian.

Pyotr Petrovich Vershigora or Petro Petrovych Vershyhora was one of the leaders of the Soviet partisan movement in Ukraine, Belarus and Poland and later a writer.

Pyotr Vasilievich Vologodsky was a Russian statesman, public figure, and mason. He was the first chairman of the Council of Ministers of the Russian state and the second and last chairman of the Provisional Siberian government.

Prince Pyotr Andreyevich Vyazemsky was a Russian Imperial poet, a leading personality of the Golden Age of Russian poetry.

Baron Pyotr Nikolayevich Wrangel, also known by his nickname the Black Baron, was a Russian officer of Baltic German origin in the Imperial Russian Army. During the final phase of the Russian Civil War, he was commanding general of the anti-Bolshevik White Army in Southern Russia.

Pyotr Ionavich Yakir was a Soviet historian who survived a childhood in the Gulag, and became well known as a critic of Stalinism, though ultimately he denounced dissident activity in the Soviet Union.

Pyotr Filippovich Yakubovich was a Russian revolutionary, poet and member of Narodnaya Volya during the 1880s. He graduated from the Faculty of History and Philology of Petersburg University (1882). After graduating, he entered the Petersburg Department of Narodnaya Volya. He was an organizer of the "Young People's Will Party" as well as its leader and ideologist.

Pyotr Alexandrovich Yefremov was a Russian literary historian, publisher, editor and essayist whose works were published regularly by Sovremennik, Otechestvennye Zapiski, Russky Arkhiv, Russkaya Starina, Istorichesky Vestnik, newspapers Golos, Novoye Vremya, Russkiye Vedomosti. In 1864-1865 he edited the Knizhny Vestnik magazine. Praised as one of the most competent literary scholars of the 19th century, Pyotr Yefremov compiled, edited and published the series of The Works of: Denis Fonvizin (1866), Valerian Maykov (1867), Antiochus Kantemir (1867-1868), Vladimir Lukin (1868), Bogdan Yelchaninov (1868), Alexander Radishchev, Kondraty Ryleyev, Mikhail Lermontov, Vasily Zhukovsky, Alexander Pushkin, Alexander Polezhayev (1889). He is credited with having discovered, published and written analytical essays on numerous hitherto unknown autographs by classics like Pushkin, Ryleyev, Lermontov, Radishchev, Fonvizin, Zhukovsky.

Pyotr Zavadovsky (1739–1812) was a Russian Imperial statesman of Ukrainian origin. He was a favourite (lover) of Russian Empress Catherine the Great from 1776 to 1777.

Piotra Krecheuski was a Belarusian statesman and president of the Rada of the Belarusian Democratic Republic in exile.