Worldwide, ใค้ (Khai 
, ใค้) is a common unisex first name. The given name ใค้ is characteristic of Mongolia, where it is a common feminine name, Brunei, where it is quite a common predominantly masculine, but very seldom feminine name, and Grenada, where it is quite a common masculine name. Measured by absolute frequency, this name is the most popular in Vietnam, Mongolia, and India. Likewise, ใค้ is the last name as well as the forename.