Cognomen อยู่ประยงค์ (อยู่ประยงค์, Yooprayong 
) , all around the world, is an extremely rare surname. The family name อยู่ประยงค์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Yooprayong | Thailand |