Family name Muthayam (Muthayam 
) , all over the world, is a very rare last name. The last name Muthayam is characteristic of Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Muthayam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Muthayam | India, Malaysia |