Last name Kameswaran (Kameswaran 
) , globally, is a rare family name. The cognomen Kameswaran is characteristic of Bahrain, where it is a rare surname, Malaysia, and Australia, where it is a very rare surname. In absolute terms, it is commonest in India, Malaysia, and the United States. Likewise, Kameswaran is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Kameswaran | Malaysia, Australia, United States, India, Bahrain |
| s. kameswaran Indian surgeon (b. 1923) |
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mohan kameswaran Indian otorhinolaryngologist and medical academic, GB |
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| mythili kameswaran researcher (ORCID 0000-0002-2999-6302) |
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| mohan kameswaran researcher |
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| vasumathi kameswaran researcher |
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| mythili kameswaran |
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