Cognomen กมลยา (Kamilya 
, กมลยา 
, Kamonya 
) , globally, is a common last name. The cognomen กมลยา is characteristic of Morocco, where it is quite a rare surname, Algeria, and India, where it is a rare surname. Very seldom, กมลยา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kamilya | Tunisia, Morocco, Algeria, Egypt, India |
| กมลยา | Thailand |
| Kamonya | United States, Kenya, South Africa |
แกนจันทร์, and พันธุ์ประเสริฐ