Cognomen ดัทช์ (Dat 
, ดัทช์ 
) , around the globe, is a common family name. The family name ดัทช์ is habitual in Aland Islands, where it is quite a common surname, Vietnam, where it is quite a rare surname, and Bahamas. In absolute terms, the name is most common in India, Vietnam, and Malaysia. Likewise, ดัทช์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dat | Malaysia, Myanmar, India, United States, Vietnam |
| ดัทช์ | Thailand |