Family name Sivagnanam (Sivagnanam 
) , around the world, is quite a common cognomen. The last name Sivagnanam is habitual in Sri Lanka, where it is quite a common surname, Singapore, where it is quite a rare surname, and Botswana. In absolute terms, it is commonest in Sri Lanka, Malaysia, and India. Also, Sivagnanam is the forename as well as the last name.
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| Sivagnanam | Australia, Malaysia, India, Singapore, Sri Lanka |
| t. s. sivagnanam judge of Madras High Court, IN (b. 1963) |
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| uma tiruchirapalli sivagnanam researcher |
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| mamata sivagnanam researcher (ORCID 0000-0002-3643-1326) |
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| shobini sivagnanam researcher |
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| ruba sivagnanam Welsh political candidate |
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