Family name Datar (Datar 
) , throughout the world, is a common surname. The family name Datar is habitual in India, where it is quite a rare surname, Switzerland, where it is a rare surname, and United Arab Emirates. Not in comparison with a country's population, the name is most common in India, Philippines, and Indonesia. Also, Datar is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Datar | Indonesia, India, Pakistan, Philippines, United States |
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datar kaur Indian princess (b. 1701) |
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sadashir datar long-distance runner, IN (b. 1885) |
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bhaurao datar Indian silent film actor (1903–1982), IN (b. 1903) |
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| balwant nagesh datar (b. 1912) |
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datar singh Indian civil servant |
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| d. k. datar violinist from India (1932-2018) (b. 1932) |
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isha datar public advocate (b. 1988) |
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| mandar n. datar researcher |
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| ved datar Ph.D. Rutgers University, New Brunswick 2014 |
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| kalpana datar botanist |
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| srikant datar American economist |
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| prathamesh m datar researcher |
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| suwarna datar researcher |
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| rajesh datar Indian singer, IN |
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| chetan datar Indian playwright |
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