Family name Пэун (Păun 
, Пэун 
) , around the globe, is a rare last name. The surname Пэун is habitual in Romania, where it is quite a rare surname, Italy, where it is a very rare surname, and Kazakhstan. Measured by absolute frequency, the name is most common in Romania, Russia, and Italy. Very seldom, Пэун is the forename as well as the last name.