Cognomen Muthukumaran (Muthukumaran 
) , all around the world, is quite a rare surname. The surname Muthukumaran is characteristic of Sri Lanka, where it is quite a rare surname, Malaysia, and United Arab Emirates, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in India, Malaysia, and Sri Lanka. Also, Muthukumaran is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Muthukumaran | United Arab Emirates, Sri Lanka, Malaysia, United States, India |
| s. p. muthukumaran Indian politician, IN (b. 1968) |
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| shobha muthukumaran researcher |
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| s. muthukumaran |
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