Cognomen Achyuthan Nair (Achyuthan Nair 
) , worldwide, is an extremely rare family name. The last name Achyuthan Nair is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Achyuthan Nair | Malaysia |
Sivadasan, Sashidaran, and Kesavadas A