Surname Santhon (Santhon 
) , in all the world, is a very rare family name. The cognomen Santhon is habitual in Thailand, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United States. Likewise, Santhon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Santhon | India, Canada, United States, Thailand |