Around the globe, ไคย (Khai 
, ไคย 
) is a common unisex forename. The first name ไคย is habitual in Mongolia, where it is a common girly name, Brunei, where it is quite a common primarily male, but very seldom girly name, and Grenada, where it is quite a common masculine name. Not in comparison with a country's population, this name is the most popular in Vietnam, Mongolia, and India. Also, ไคย is the last name as well as the forename.