Cognomen Fainanta (Fainanta 
) , in the entire world, is a very rare last name. The family name Fainanta is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Fainanta | Thailand |
Areerat, Vanngam, Supaporn, Taratorn, and Neranchala