Surname ยัญ (Yan 
, ยัญ 
) , throughout the world, is a prevalent cognomen. The family name ยัญ is characteristic of Myanmar, where it is a widespread surname, Cayman Islands, where it is a common surname, and Hong Kong (explore the name in all countries). Measured by absolute frequency, it is commonest in China, Myanmar, and Malaysia. Very seldom, ยัญ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yan | Myanmar, Indonesia, Mongolia, Malaysia, China |
| ยัญ | Thailand |