Surname Amuthu (Amuthu 
) , in the entire world, is a very rare last name. The cognomen Amuthu is characteristic of Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Amuthu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Amuthu | India, Malaysia, Canada |