Cognomen Kumāra (កុមារ 
, Kumāra 
) , in the world, is a very rare surname. The family name Kumāra is characteristic of Cambodia, where it is a very rare surname, Myanmar, and India, where it is an extremely rare surname. More prevalently, Kumāra is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| កុមារ | Cambodia |
| Kumāra | Myanmar, India |
| siddhanātha kumāra (b. 1927) |
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| mahāpātra yatīndra kumāra (b. 1933) |
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| vacanadeva kumāra (b. 1934) |
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| jagadīśa kumāra (b. 1936) |
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| vimalendra kumāra (b. 1960) |
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| avināśa kumāra |
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| ujjvala kumāra (b. 1980) |
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| anaṅga pradyumna kumāra |
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