Across the world, Aathithyan (Aathithyan 
) is a very rare masculine given name. The first name Aathithyan is characteristic of Southern Asia, particularly India, where it is an extremely rare male name. Very seldom, Aathithyan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Aathithyan | India |
Gk, Skcan, Aathi, Sivalingam, Paramalingam, Saravanaselvam, Kaliyamoorthy, and Balasubramanian