Last name Muthukumarasamy (Muthukumarasamy 
) , throughout the world, is a rare family name. The surname Muthukumarasamy is characteristic of Singapore, where it is a rare surname, Malaysia, and New Zealand. Not in comparison with a country's population, it is the most numerous in India, Malaysia, and Singapore. Also, Muthukumarasamy is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Muthukumarasamy | United Arab Emirates, Malaysia, Singapore, United States, India |
| g. muthukumarasamy Secretary-general of the Amalgamated Union of Public Daily Rated Workers (since 2002) |
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| muthukumarasamy karthikeyan researcher |
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| muthukumarasamy arunachalam |
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