Surname Innak (Innak 
) , in all the world, is a rare family name. The surname Innak is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is a very rare surname. Likewise, Innak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Innak | Malaysia, India, Thailand |