Family name Yaiyangya (Yaiyangya 
) , around the world, is a very rare cognomen. The family name Yaiyangya is characteristic of South-eastern Asia, particularly Singapore, where it is a rare surname, and Thailand, where it is a very rare surname. Much less frequently, Yaiyangya is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yaiyangya | Singapore, Thailand |