In all the world, Karthikeya (Karthikeya 
) is a rare masculine given name. The first name Karthikeya is characteristic of India, where it is a very rare male name, the United States, where it is an extremely rare principally boy's, but very infrequently female name, and Pakistan, where it is an extremely rare male name. Very seldom, Karthikeya is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Karthikeya | Australia, Pakistan, United States, India, Malaysia |
| karthikeya r researcher |
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| karthikeya sivasenapathy Social activist |
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| karthikeya patil researcher |
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| karthikeya sameer kumar mamillapalle Ph.D. Florida Institute of Technology 2007 |
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| karthikeya murthy Indian composer, IN (b. 1985) |
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Sai, Dasari, Easwar, Hebbar, Vemuri, Acharya, Bathula, Karedla, Karthik, Koppaka, Ramesh, Pandian, Vadrevu, Muppalla, Sanivada, Chowdary, Punugoti, Devireddy, Natarajan, Koppisetti, Yarlagadda, Narayan, Palepu, Kannan, Challa, Raj, Rao, Bhat, Kapa, Kota, Raja, Raju, Goud, Iyer, Sarma, Kodey, Kumar, Kuppa, Reddy, Gupta, Lanka, Varma, Voora, Murthy, Sastry, Sharma, Arunachalam, and Balasubramania