In the world, Dattatreya (Dattatreya 
) is a widespread boy's given name. The given name Dattatreya is characteristic of Southern Asia, particularly India, where it is quite a common male name.
| VARIANT | COUNTRY |
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| Dattatreya | United Kingdom, Malaysia, United States, India, Netherlands |
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dattatreya rama rao parvatikar Saint, Sanyasin, Indian musician, IN (b. 1916) |
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| dattatreya gopal karve Indian economist, IN (b. 1898) |
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| dattatreya krishna gosavi (b. 1894) |
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| dattatreya aralikatte Indian puppeteer and teacher, IN (b. 1953) |
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| dattatreya mukherjee cricketer, IN (b. 1965) |
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| dattatreya mellacheruvu researcher |
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Mane, Shelke, Shinde, Bhosle, Kamble, Dhumal, Ghadge, Londhe, Jagtap, Jadhav, Thorat, Salunke, Sonvane, Chauhan, Kumbhar, Jagdale, Salunkhe, Kulkarni, Deshmukh, Gayakwad, Lokhande, Waghmare, Shelar, Sawant, Mohite, Yadav, Mali, More, Mule, Kale, Koli, Raut, Gore, Naik, Vagh, Sable, Chaudhary, Sutar, Patil, Pawar, Desai, Dalvi, Gavli, Gawde, Gurav, Joshi, Nikam, Ingle, Kadam, and Suryavanshi