In all the world, Siniya (Siniya 
, Синия 
) is quite a rare mostly girly, but infrequently masculine first name. The first name Siniya is characteristic of Nigeria, where it is a very rare gender-neutral name, India, where it is a very rare principally female, but very seldom boy's name, and Russia, where it is a very rare feminine name. Also, Siniya is the last name as well as the forename.