Family name Muthalagan (Muthalagan 
) , throughout the world, is a very rare surname. The surname Muthalagan is habitual in Malaysia, where it is a rare surname, Norway, where it is a very rare surname, and India, where it is an extremely rare surname. Likewise, Muthalagan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Muthalagan | Malaysia, Norway, India |