Surname ท่อย (Thoi 
, ท่อย) , around the world, is quite a rare last name. The last name ท่อย is habitual in South-eastern Asia, particularly Singapore, where it is a rare surname, Vietnam, and Malaysia. In absolute terms, the name is most common in India, Vietnam, and Myanmar. Likewise, ท่อย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thoi | Vietnam, Malaysia, United States, India, Myanmar |