Cognomen Sanmugavelu (Sanmugavelu 
) , throughout the world, is a very rare family name. The surname Sanmugavelu is characteristic of Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. More prevalently, Sanmugavelu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sanmugavelu | India, Malaysia |