Family name Bilyar (Billar 
, Биляр 
, Bilyar 
) , globally, is quite a rare surname. The last name Bilyar is characteristic of Uruguay, where it is quite a rare surname, the Dominican Republic, and Kyrgyzstan, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in India, the Dominican Republic, and Mexico. Much less frequently, Bilyar is the forename as well as the last name.