Last name Chinnamuthu (Chinnamuthu 
) , in all the world, is a rare surname. The last name Chinnamuthu is characteristic of Australia, where it is a rare surname, Malaysia, and India, where it is an extremely rare surname. Likewise, Chinnamuthu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chinnamuthu | Malaysia, India, Australia, United States, South Africa |