Family name פטרה (Petra 
, Petre , פטרה 
) , in the entire world, is a widespread last name. The cognomen פטרה is habitual in Romania, where it is a common surname, North Macedonia, and Mexico (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Mexico, Romania, and Spain. More prevalently, פטרה is the forename as well as the last name.