Globally, Коя (Koya 
, 古家 
, 古屋 ) is a common unisex given name. The first name Коя is characteristic of Western Asia, particularly Saudi Arabia, where it is quite a rare principally masculine, but very infrequently feminine name, Qatar, where it is quite a rare masculine name, and United Arab Emirates. Measured by absolute frequency, it is the most numerous in India, Nigeria, and Saudi Arabia. More prevalently, Коя is the last name as well as the forename.