Last name ต. (To 
, ต. 
) , throughout the world, is a widespread family name. The last name ต. is characteristic of Hong Kong, where it is a common surname, Bermuda, and Cayman Islands, where it is quite a common surname (explore the name in all countries). In absolute terms, it most frequently occurs in Indonesia, Hong Kong, and Vietnam. More prevalently, ต. is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| To | Hong Kong, Vietnam, Egypt, Indonesia, Japan |
| ต. | Thailand |