Globally, Brylyant (Брилиант 
, Брилянт 
, Brylyant) is a very rare girly forename. The first name Brylyant is characteristic of Kazakhstan, where it is a very rare female name, and Russia, where it is a very rare principally girly, but very seldom boy's name. Likewise, Brylyant is the last name as well as the forename.