Cognomen Choyang (Choyang 
) , in all the world, is a very rare surname. The cognomen Choyang is characteristic of Thailand, where it is an extremely rare surname, India, and the United States. Also, Choyang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Choyang | Thailand, India, United States |
| dragpa choyang CN (b. 1618) |
|