Cognomen كيلار (Kilar 
, كيلار 
) , across the world, is quite a rare surname. The family name كيلار is characteristic of Slovenia, where it is quite a rare surname, Poland, and Slovakia, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Poland, Turkey, and the United States. Also, كيلار is the forename as well as the last name.