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Family name Filar (Filar
, Pilare
, Filare
) , around the world, is a common surname. The cognomen Filar is habitual in Croatia, where it is quite a rare surname, Poland, and India, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in India, Poland, and Philippines. Much less frequently, Filar is the forename as well as the last name.