Last name Yodnam (Yodnam 
) , in the world, is a very rare cognomen. The family name Yodnam is habitual in Thailand, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Much less frequently, Yodnam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yodnam | Thailand, Venezuela |