Surname Pétr (Peter 
, Petur 
, Pætur 
) , in the world, is a prevalent family name. The last name Pétr is characteristic of Liechtenstein, where it is a common surname, Nigeria, and Saint Lucia (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in Nigeria, Tanzania, and Germany. More prevalently, Pétr is the forename as well as the last name.