Cognomen Pattanakijjaruk (Pattanakijjaruk 
) , all around the world, is a very rare surname. The last name Pattanakijjaruk is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Pattanakijjaruk | Thailand |
Wasu, and Krittinart