Cognomen Deivanayagam (Deivanayagam 
) , throughout the world, is a rare last name. The cognomen Deivanayagam is habitual in Sri Lanka, where it is a rare surname, United Arab Emirates, and Singapore. Not in comparison with a country's population, it is the most numerous in India, Sri Lanka, and the United States. Likewise, Deivanayagam is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Deivanayagam | Sri Lanka, United Arab Emirates, India, Malaysia, United States |
| deivanayagam easwaramoorthy researcher |
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| deivanayagam kandaswamy researcher |
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| a. deivanayagam Indian politician, IN |
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| deivanayagam maruthini researcher |
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| abi deivanayagam researcher |
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