Around the world, Arumainathan (Arumainathan 
) is a very rare boy's given name. The first name Arumainathan is habitual in Southern Asia, particularly India, where it is an extremely rare boy's name. Likewise, Arumainathan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Arumainathan | Malaysia, Australia, United States, India, Canada |