Family name ธาดากิตติชัย (ธาดากิตติชัย 
) , worldwide, is an extremely rare last name. The cognomen ธาดากิตติชัย is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธาดากิตติชัย | Thailand |