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Surname Kocar (Kocar
, Коцарь
, Коцар
) , throughout the world, is a common last name. The family name Kocar is habitual in Slovenia, where it is quite a common surname, Slovakia, where it is quite a rare surname, and Ukraine. Measured by absolute frequency, this name is the most popular in India, Ukraine, and Russia. Much less frequently, Kocar is the forename as well as the last name.