Surname Oudomsouk (Oudomsouk 
) , around the globe, is a rare cognomen. The cognomen Oudomsouk is habitual in Laos, where it is quite a common surname, Canada, where it is a very rare surname, and the United States. Measured by absolute frequency, it is commonest in Laos, the United States, and France. Much less frequently, Oudomsouk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oudomsouk | France, United States, Thailand, Laos, Canada |