Cognomen Dunik (Dunik 
, Дуник 
) , in the entire world, is a rare last name. The last name Dunik is habitual in Estonia, where it is quite a rare surname, Czechia, where it is a rare surname, and Belarus. Measured by absolute frequency, it most frequently occurs in India, Indonesia, and Czechia. Likewise, Dunik is the forename as well as the last name.