Last name रंजन (रंजन 
) , throughout the world, is an extremely rare family name. The family name रंजन is habitual in Southern Asia, particularly India, where it is an extremely rare surname. Likewise, रंजन is the forename as well as the last name.
| VARIANT | COUNTRY |
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| रंजन | India |
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अदिति रंजन Indian designer and educator, IN (b. 1952) |
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| रंजीत रंजन Indian politician, IN (b. 1974) |
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| लव रंजन Indian film and producer director, IN |
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| शशि रंजन Indian actor (born 1987), IN (b. 1985) |
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| विकाश रंजन Indian cricketer, IN (b. 1993) |
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