Last name Ciuco (Cuk 
, Ciuco 
, Cicur 
) , around the globe, is quite a common cognomen. The family name Ciuco is characteristic of Southern Europe, particularly Slovenia, where it is quite a common surname, Serbia, and Bosnia and Herzegovina (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Serbia, Indonesia, and Slovenia. Much less frequently, Ciuco is the forename as well as the last name.