Family name Maheswaran (Maheswaran 
, มเหศวร 
, மகேஸ்வரன்) , globally, is quite a rare cognomen. The cognomen Maheswaran is characteristic of Sri Lanka, where it is quite a common surname, Malaysia, where it is quite a rare surname, and United Arab Emirates, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Sri Lanka, India, and Malaysia. Also, Maheswaran is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Maheswaran | Malaysia, United Kingdom, France, India, Sri Lanka |
| มเหศวร | Thailand |
| murugesapillai maheswaran Sri Lankan-American mathematician, US (b. 1939) |
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| udhayabhanu maheswaran Indian film director, IN (b. 1972) |
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| rajiv maheswaran researcher |
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| shyamala maheswaran researcher |
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| maheswaran easwaran researcher |
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| thiagaraja maheswaran Ph.D. Iowa State University 1993 |
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| rajan maheswaran researcher |
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| maheswaran shanmugam researcher |
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| sathya maheswaran researcher |
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| ravi maheswaran researcher |
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| hendramoorthy maheswaran researcher |
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| mathavan maheswaran director and filmmaker |
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| maheswaran mani researcher (ORCID 0000-0001-8056-8787) |
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| pratheesh maheswaran researcher |
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| maheswaran rohan researcher ORCID ID = 0000-0001-7370-2431 |
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