Family name ทาว (Thao 
, ทาว 
) , globally, is a common cognomen. The surname ทาว is characteristic of Macao, where it is quite a common surname, Vietnam, and Laos. Not in comparison with a country's population, it is commonest in Vietnam, the United States, and Malaysia. Also, ทาว is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thao | Japan, Vietnam, Laos, Malaysia, United States |
| ทาว | Thailand |