Cognomen Amirthanathar (Amirthanathar 
) , around the globe, is a very rare family name. The last name Amirthanathar is habitual in Canada, where it is a very rare surname, Germany, where it is an extremely rare surname, and France. Very seldom, Amirthanathar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Amirthanathar | Germany, Italy, Canada, United States, France |