Surname ถาย (Thai 
, ถาย 
) , around the world, is a common cognomen. The family name ถาย is habitual in Malaysia, where it is quite a common surname, Lesotho, and Bhutan (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Malaysia, Vietnam, and the United States. Likewise, ถาย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thai | Australia, Myanmar, Vietnam, United States, Malaysia |
| ถาย | Thailand |