Family name Thiruvengadam (Thiruvengadam 
) , globally, is quite a rare cognomen. The family name Thiruvengadam is habitual in Malaysia, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Singapore. Not in comparison with a country's population, it is commonest in India, Malaysia, and the United States. Likewise, Thiruvengadam is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Thiruvengadam | United Arab Emirates, United States, Australia, Malaysia, India |
| p. s. thiruvengadam Indian politician, IN (b. 1935) |
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| devaki thiruvengadam researcher (ORCID 0000-0003-3464-814X) |
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| ravi thiruvengadam researcher (ORCID 0000-0001-5346-5213) |
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| srivathsan thiruvengadam researcher (ORCID 0000-0002-2678-6190) |
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| girija thiruvengadam researcher |
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| devaki thiruvengadam researcher (ORCID 0000-0003-3212-2339) |
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| k. vardachari thiruvengadam Indian doctor |
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