Surname កាយ៉ី (កាយ៉ី 
) , all around the world, is an extremely rare cognomen. The family name កាយ៉ី is habitual in South-eastern Asia, particularly Cambodia, where it is a very rare surname. Also, កាយ៉ី is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| កាយ៉ី | Cambodia |