Family name Kanoknukulchai (Kanoknukulchai 
) , across the world, is a very rare surname. The cognomen Kanoknukulchai is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kanoknukulchai | Thailand, United States |