Cognomen Santisouk (Santisouk 
) , across the world, is quite a rare family name. The cognomen Santisouk is characteristic of Laos, where it is quite a common surname, France, where it is an extremely rare surname, and the United States. More prevalently, Santisouk is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Santisouk | Canada, Thailand, France, Laos, United States |