Cognomen Sidaphone (Sidaphone 
) , all around the world, is a rare family name. The cognomen Sidaphone is habitual in South-eastern Asia, particularly Laos, where it is quite a rare surname. Also, Sidaphone is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sidaphone | United States, Laos, Thailand |