Cognomen Benjaphisitkul (Benjaphisitkul 
) , around the globe, is an extremely rare family name. The last name Benjaphisitkul is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Benjaphisitkul | Thailand |
Thunyarus, Nithakarn, and Nitthakarn