All around the world, Baiko (Baiko 
, Байко 
, Баико ) is quite a common epicene forename. The first name Baiko is characteristic of Japan, where it is quite a rare gender-neutral name, Bulgaria, where it is a rare masculine name, and Georgia, where it is a rare gender-neutral name. Measured by absolute frequency, it is commonest in Japan, Pakistan, and Nigeria. Also, Baiko is the last name as well as the forename.