Namesakes
Piotr Edward Dankowski
(m) 1908-1942 
Saints
Piotr Jaroszewicz
(m) 1909-1992
Polish Presidents and Prime Ministers 1970-1980 (prime minister)
Piotr Szulkin
(m) 1950-2018
Notable Filmmakers
Jack Harkness
(a.k.a. Piotr) (m)
Fictional Characters from Television 1963; 2006 Doctor Who; Torchwood
Kazik Staszewski
(a.k.a. Piotr) (m) 1963-
Notable Musicians
Piotr Małachowski
(m) 1983-
Olympic Medalists 2008; 2016 discus throw (silver)
Piotr Zieliński
(m) 1994-
Notable Athletes (soccer)