Cognomen Pikhun (Pikhun 
, Пихун 
) , across the world, is a rare surname. The family name Pikhun is characteristic of Belarus, where it is quite a rare surname, Kazakhstan, where it is a very rare surname, and Ukraine. Measured by absolute frequency, it is the most numerous in Belarus, Russia, and Kazakhstan. Much less frequently, Pikhun is the forename as well as the last name.