Family name อยู่ยง (Yuyong 
, อยู่ยง) , around the globe, is a very rare last name. The surname อยู่ยง is habitual in Thailand, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and China. Much more prevalently, อยู่ยง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yuyong | Philippines, Thailand, United States, India, China |