Family name เยียร์ (Yia 
, เยียร์ 
) , worldwide, is quite a common cognomen. The surname เยียร์ is habitual in Malaysia, where it is quite a common surname, Lesotho, where it is quite a rare surname, and Myanmar, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in South-eastern Asia, particularly Malaysia, Myanmar, and Indonesia. Very seldom, เยียร์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yia | Malaysia, Indonesia, Laos, United States, Myanmar |
| เยียร์ | Thailand |