Cognomen Yuthadanai (Yuthadanai 
) , around the world, is an extremely rare family name. Much more prevalently, Yuthadanai is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yuthadanai | United States, Thailand |
Sidala, Meechai, Vibulchai, Somjitchob, and Prasatsil