Cognomen Thammanyutanun (Thammanyutanun 
) , in the world, is a very rare surname. The family name Thammanyutanun is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thammanyutanun | Thailand |
Pavoranun, Chananunya, and Ditsayanun