Last name Achar (Achar 
, Atcha 
, Achard 
) , in the entire world, is a common cognomen. The family name Achar is habitual in Paraguay, where it is quite a common surname, France, where it is quite a rare surname, and Togo. Not in comparison with a country's population, it is commonest in India, Pakistan, and France. Much less frequently, Achar is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Achar | Kenya, India, Paraguay, France, Pakistan |
| Atcha | India, Morocco, Thailand, France, Pakistan |
| Achard | India, United Kingdom, Argentina, France, Mexico |
| Atxa | United Kingdom, Paraguay, Spain, Afghanistan, Brazil |
| g. raghu achar Indian National Congress political activist, IN (b. 1950) |
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| halappa achar Indian politician, IN (b. 1952) |
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| tapas kumar achar researcher |
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| pramod narahari achar Ph.D. Massachusetts Institute of Technology 2001 |
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| premila narayana achar researcher |
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| rohan k achar researcher |
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| chethana achar PhD, University of Washington, 2019 |
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| ramachandra achar American electrical engineer, CA |
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| yathish jagadheesh achar researcher |
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| jacky achar |
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| chandan achar Indian actor (b. 1993) |
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| chaithra j achar Indian actress and singer (b. 1995) |
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| aahan gopinath achar Singaporean cricketer, SG (b. 1999) |
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| raghu ram achar researcher |
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| jay achar researcher |
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