Last name Dutsadiwithit (Dutsadiwithit 
) , in the world, is a very rare family name. The family name Dutsadiwithit is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Dutsadiwithit | Thailand |
Sangat, Pisutpong, and Phatsakorn