Cognomen Katchanut (Katchanut 
) , in all the world, is an extremely rare surname. The cognomen Katchanut is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, Katchanut is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Katchanut | Thailand |