Cognomen Shanmugasundara (Shanmugasundara 
) , in the world, is a very rare family name. The cognomen Shanmugasundara is habitual in the United States, where it is an extremely rare surname, and India. Also, Shanmugasundara is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Shanmugasundara | India, Canada, United States, South Africa |