Surname Klaypitak (Klaypitak 
) , worldwide, is a very rare last name. The cognomen Klaypitak is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Klaypitak | Thailand |
Nitita, Paradon, Souwakon, Weerawan, and Thammarong