Throughout the world, Желко (Zeljko 
, Желко 
, Zhelko 
) is a common male forename. The first name Желко is habitual in Southern Europe, particularly Montenegro, where it is a common boy's name, Serbia, where it is quite a common masculine name, and Bosnia and Herzegovina. Measured by absolute frequency, this name is the most popular in Serbia, Germany, and Bosnia and Herzegovina. Very seldom, Желко is the last name as well as the forename.