Worldwide, Shanmugasundaram (Shanmugasundaram 
) is a rare boy's forename. The given name Shanmugasundaram is habitual in Singapore, where it is a rare masculine name, and India, where it is a very rare male name. Also, Shanmugasundaram is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Shanmugasundaram | Malaysia, India, United Arab Emirates, United States, Sri Lanka |