Family name Kraikunasai (Kraikunasai 
) , in the entire world, is a very rare last name. The cognomen Kraikunasai is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kraikunasai | Thailand |
Phagakrong, Pakakrong, and Suthichai