Family name Sundharam (Sundharam 
) , around the world, is a rare cognomen. The surname Sundharam is characteristic of Western Asia, particularly United Arab Emirates, where it is a rare surname, Qatar, and Kuwait. Measured by absolute frequency, this name is the most popular in India, United Arab Emirates, and Saudi Arabia. Also, Sundharam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sundharam | Saudi Arabia, United Arab Emirates, Kuwait, United States, India |
| s. d. sundharam Indian writer (1921–1979), IN (b. 1921) |
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| sakthivel manikandan sundharam researcher ORCID ID = 0000-0001-5924-4403 |
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