Surname ถายา (Thaya 
, ถายา ) , all over the world, is quite a rare cognomen. The family name ถายา is characteristic of Qatar, where it is quite a rare surname, Sri Lanka, and United Arab Emirates, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Sri Lanka, India, and Myanmar. More frequently, ถายา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thaya | Qatar, Thailand, Sri Lanka, India, Myanmar |
| ถายา | Thailand |