Family name ญัติ (Yat 
, ญัติ 
) , all around the world, is a common surname. The family name ญัติ is characteristic of Guatemala, where it is quite a common surname, Hong Kong, where it is quite a rare surname, and Malaysia. In absolute terms, the name is most common in Guatemala, Indonesia, and Malaysia. Very seldom, ญัติ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yat | Indonesia, China, Guatemala, Malaysia, Taiwan |
| ญัติ | Thailand |