Surname Pattanayak (พัฒนาการ 
, Pattanayak 
) , throughout the world, is a common last name. The cognomen Pattanayak is characteristic of India, where it is quite a rare surname, United Arab Emirates, and Qatar, where it is a rare surname. In absolute terms, it most frequently occurs in India, United Arab Emirates, and the United States.
| VARIANT | COUNTRY |
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| พัฒนาการ | Thailand |
| Pattanayak | Saudi Arabia, United Arab Emirates, India, United States, Oman |
| bhagirathi pattanayak (b. 1884) |
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| sarat pattanayak Indian politician, IN (b. 1956) |
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| arnab pattanayak researcher |
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| debasis pattanayak researcher |
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| santosh pattanayak Ph.D. Chennai Mathematical Institute 2011 |
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| abhinandan pattanayak researcher |
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| ankita pattanayak researcher (ORCID 0000-0002-2382-1018) |
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| sankha pattanayak researcher |
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| shakti p pattanayak researcher |
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| arjendu k. pattanayak researcher |
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| santanu pattanayak researcher |
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| arunava pattanayak researcher |
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| cassandra wolos pattanayak Ph.D. Harvard University 2011 |
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| swadeenananda pattanayak Ph.D. State University of New York at Stony Brook 1972 |
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| subhrendu pattanayak researcher |
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