Family name Dechaphahun (Dechaphahun 
) , all over the world, is a very rare cognomen. The last name Dechaphahun is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Dechaphahun | Thailand |
Sippanan, Sippavit, and Akkharaphon