Last name Pětr (Петр 
, Pětr 
) , across the world, is quite a common family name. The family name Pětr is habitual in Kyrgyzstan, where it is quite a common surname, Moldova, where it is quite a rare surname, and Belarus. In absolute terms, this name is the most popular in Russia, Kyrgyzstan, and Uzbekistan. Much more frequently, Pětr is the forename as well as the last name.