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Cognomen Sitthiphon (สิทธิพร , สิทธิพล
, Sitthiphon
) , in the entire world, is quite a rare last name. The cognomen Sitthiphon is habitual in South-eastern Asia, particularly Laos, where it is quite a common surname, and Thailand, where it is quite a rare surname. More prevalently, Sitthiphon is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สิทธิพล, สิทธิพร | Thailand |
| Sitthiphon | Laos, Thailand, United States |