Cognomen Wuttiadirek (Wuttiadirek 
) , in the entire world, is a very rare last name. The surname Wuttiadirek is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wuttiadirek | Thailand |
Chansak, Nongyao, and Pattaraporn