Cognomen จันทิยา (Jantiya 
, Chantiya , Chanthiya ) , across the world, is a very rare last name. The surname จันทิยา is characteristic of Thailand, where it is a very rare surname, India, where it is an extremely rare surname, and the United States. More frequently, จันทิยา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jantiya | Thailand, United States, Philippines, Singapore, India |
| Chantiya, Chanthiya | India, United States, Thailand |
| จันทิยา | Thailand |