Surname Sunamalai (Sunamalai 
) , all around the world, is a very rare family name. The surname Sunamalai is habitual in Thailand, where it is a very rare surname, and India, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sunamalai | Thailand, India |
Arporn, Jutamard, Suparaporn, and Charlearmsri