Family name Muninathan (Muninathan 
) , across the world, is a very rare last name. The surname Muninathan is characteristic of Malaysia, where it is a rare surname, and India, where it is an extremely rare surname. Likewise, Muninathan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Muninathan | South Africa, Malaysia, India |