Surname Janethaweesup (Janethaweesup 
) , around the globe, is a very rare family name. The family name Janethaweesup is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Janethaweesup | Thailand |
Jitinan, Praewphan, and Thaweekiat