Cognomen Reungkanoksed (Reungkanoksed 
) , throughout the world, is a very rare family name. The last name Reungkanoksed is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Reungkanoksed | Thailand |
Sirikarn, Ploykwan, Thanupong, Ploychompoo, and Ploychomphu