Family name Wichaiwut (Wichaiwut 
) , worldwide, is a very rare last name. The cognomen Wichaiwut is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Wichaiwut is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wichaiwut | Thailand |
Adirek, and Benjamaporn