Namesakes
Pyotr I the Great
(m) 1672-1725 
Russian Grand Dukes and Tsars 1682-1725
Pyotr II
(m) 1715-1730
Russian Grand Dukes and Tsars 1727-1730
Pyotr III
(m) 1728-1762
Russian Grand Dukes and Tsars 1762
Pyotr Ilyich Tchaikovsky
(m) 1840-1893
Notable Musicians
Pyotr Kropotkin
(m) 1842-1921
Notable Activists and Revolutionaries
Notable Philosophers and Thinkers
Peter Nikolaevich of Russia
(a.k.a. Pyotr) (m) 1864-1931
Other Royalty 1864-1917 Russia (grand duke)
Petya Rostov
(m)
Fictional Characters from Books 1869 War and Peace
Pierre Bezukhov
(a.k.a. Pyotr) (m)
Fictional Characters from Books 1869 War and Peace
Pyotr Kapitsa
(m) 1894-1984
Nobel Prize Winners 1978 (physics)
Notable Scientists and Inventors
Pyotr Breus
(m) 1927-2000
Olympic Medalists 1956 water polo (bronze)
Petr Shelokhonov
(a.k.a. Pyotr) (m) 1929-1999
Notable Actors and Entertainers (actor)
Pyotr Bolotnikov
(m) 1930-2013
Olympic Medalists 1960 10000 m (gold)
Pyotr Pochynchuk
(m) 1954-1991
Olympic Medalists 1980 20 km walk (silver)