Surname อัธ (Attha 
, อัธ 
) , all over the world, is a rare cognomen. The family name อัธ is characteristic of Indonesia, where it is a very rare surname, Nigeria, and Thailand, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Indonesia, Nigeria, and India. More prevalently, อัธ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Attha | Indonesia, China, Pakistan, Nigeria, India |
| อัธ | Thailand |