Globally, Sagnik (Sagnik 
) is quite a common male first name. The forename Sagnik is characteristic of India, where it is a rare male name, Bangladesh, and the United States, where it is an extremely rare primarily boy's, but very seldom girly name.
| VARIANT | COUNTRY |
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| Sagnik | India, France, Bangladesh, Singapore, United States |
| sagnik ray choudhury Ph.D. The Pennsylvania State University 2017 |
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| sagnik basuray researcher |
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| sagnik sen researcher (ORCID 0000-0002-3362-1677) |
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| sagnik nandy Ph.D. University of California, San Diego 2006 |
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| sagnik sinha D.Phil. Indian Statistical Institute, Kolkata 1991 |
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| sagnik chatterjee researcher |
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| sagnik dey researcher |
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| sagnik sengupta researcher |
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| sagnik biswas researcher (ORCID 0000-0003-3487-4921) |
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| sagnik chakraborty Ph.D. Tata Institute of Fundamental Research 2015 |
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| sagnik sen researcher (ORCID 0000-0001-5835-5371) |
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| sagnik datta Ph.D. 2016 |
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De, Chanda, Biswas, Lahiri, Halder, Ganguly, Goswami, Majumder, Majumdar, Sengupta, Banerjee, Bhowmick, Karmakar, Dasgupta, Mukherjee, Choudhury, Chowdhury, Chatterjee, Chakraborty, Mukhopadhyay, Bhattacharya, Chattopadhyay, Sarkar, Mondal, Mandal, Ghosh, Sen, Kar, Pal, Ray, Roy, Deb, Dey, Das, Saha, Basu, Bhattacharyya, Bose, Dhar, Jana, Manna, Mitra, Sinha, Kundu, Routh, Datta, Dutta, Gupta, Paul, and Bhattacharjee