Cognomen Tillaka (Tillaka 
) , in the world, is an extremely rare last name. The surname Tillaka is characteristic of Southern Asia, particularly India, where it is an extremely rare surname. More prevalently, Tillaka is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tillaka | India, Thailand |
Devi, Kussalanupab, and Kussalanupap