Family name Kaewkarnjanadit (Kaewkarnjanadit 
) , worldwide, is an extremely rare last name. The cognomen Kaewkarnjanadit is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kaewkarnjanadit | Thailand |
Dittawat, Nuttawat, and Natthasuan