Surname Andrun (Andrun 
, Андрунь 
) , worldwide, is a rare family name. The family name Andrun is characteristic of Southern Europe, particularly Slovenia, where it is quite a rare surname, North Macedonia, where it is a rare surname, and Croatia. Measured by absolute frequency, this name is the most popular in Russia, Ukraine, and Slovenia. Very seldom, Andrun is the forename as well as the last name.