Across the world, Hilas (Hilas 
) is a rare dominantly male, but seldom feminine first name. The forename Hilas is habitual in Turkey, where it is a very rare male name, Brazil, where it is an extremely rare principally male, but very infrequently girly name, and India, where it is an extremely rare epicene name. Likewise, Hilas is the last name as well as the forename.
Hilas is also a name for the fictitious and mythical characters: Hilas , the operatic character in the opera Astrée.