Surname Muththu (Muththu 
) , around the world, is a rare last name. The family name Muththu is characteristic of Qatar, where it is a rare surname, Saudi Arabia, and India, where it is a very rare surname. Also, Muththu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Muththu | Qatar, India, Saudi Arabia |