All over the world, Кулай (Kulai 
, Кулай 
, Kulaj 
) is quite a rare unisex given name. The first name Кулай is characteristic of Kazakhstan, where it is quite a rare feminine name, Gambia, where it is quite a rare boy's name, and Kyrgyzstan, where it is quite a rare feminine name. Measured by absolute frequency, it is commonest in India, Kazakhstan, and Kyrgyzstan. Also, Кулай is the last name as well as the forename.