•
Petr Aven (born 1955), Russian billionaire banker, economist, and politician •
Petr Čech (born 1982), former Czech footballer and current ice hockey goaltender •
Petr Čech (hurdler) (1944–2022), Czech hurdler •
Petr Chelčický (c. 1390 – c. 1460), Czech Christian spiritual leader and author in Bohemia •
Petr Cornelie (born 1996), French-Czech basketball player •
Petr Druzhinin (born 1974), Russian-Israeli historian and author •
Petr Duchoň (born 1956), Czech politician •
Petr Fiala (born 1964), Czech politician and
Prime Minister of the Czech Republic •
Petr Fiala (senator) (born 1968), Czech senator •
Petr Ginz (1928–1944), Czechoslovak half-Jewish writer, diarist, and publisher, victim of the Holocaust •
Petr Gumennik (born 2002), Russian figure skater •
Petr Kellner (1964–2021), Czech billionaire businessman •
Petr Korda (born 1968), Czech tennis player •
Petr Mitrichev (born 1985), Russian competitive programmer under the handle "Petr" •
Petr Mrázek (born 1992), Czech ice hockey goaltender •
Petr Nedvěd (born 1971), Czech ice hockey player •
Petr Neuman (1978–2025), Czech chess grandmaster •
Petr Pavel (born 1961), president of the Czech Republic, former army general •
Petr Gumennik (born 2002), Russian figure skater •
Pětr Šołtka (1945–2022), German-Sorb politician •
Petr Yan (born 1993), Russian mixed martial artist ==Surname==