Cognomen Arasu (Arasu 
) , around the world, is quite a rare surname. The family name Arasu is characteristic of United Arab Emirates, where it is quite a rare surname, Singapore, and Qatar. Not in comparison with a country's population, it is commonest in India, Malaysia, and United Arab Emirates. Also, Arasu is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Arasu | Malaysia, Singapore, Saudi Arabia, India, United Arab Emirates |
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raji arasu Indian American computer scientist/internet technology engineer/product executive, IN (b. 1970) |
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| v.t. arasu Journalist, civil servant, editor, author (1926-2008), SG (b. 1926) |
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| m. kalai arasu Member of the Tamil Nadu Legislative Assembly, IN (b. 1954) |
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| punitha arasu researcher |
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| alexis arasu researcher |
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| uma thanigai arasu researcher |
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| rohan arasu researcher |
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| vignesh a arasu researcher |
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| anal arasu action Choreographer, IN |
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