Family name Athreya (Athreya 
) , in the world, is a rare surname. The cognomen Athreya is habitual in Ireland, where it is a rare surname, New Zealand, and Singapore, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in India, the United States, and the United Kingdom. Much less frequently, Athreya is the forename as well as the last name.
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| Athreya | Australia, Ireland, United Kingdom, United States, India |
| krishna b. athreya Indian mathematical statistician, IN (b. 1939) |
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| siva athreya Indian mathematician, IN (b. 1971) |
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| kartik athreya economist (Federal Reserve Bank of Richmond) (b. 1971) |
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| jayadev athreya researcher in math |
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| badrinarayan athreya Ph.D. University of Illinois at Urbana-Champaign 2006 |
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| balaji athreya researcher |
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| swaminatha athreya Indian scholar |
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| arunabh athreya researcher (ORCID 0000-0003-2133-2795) |
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| jayadev siddhanta athreya Ph.D. The University of Chicago 2006 |
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| avanti athreya Ph.D. University of Maryland College Park 2009 |
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| rupa athreya Ph.D. Yale University 2002 |
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| vivek athreya Indian film director and screenwriter, IN (b. 1989) |
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| preethi athreya |
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