Cognomen Idnani (Idnani 
) , throughout the world, is quite a rare last name. The cognomen Idnani is characteristic of United Arab Emirates, where it is a rare surname, Singapore, and India. In absolute terms, it is the most numerous in India, the United States, and United Arab Emirates. Much less frequently, Idnani is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Idnani | Indonesia, Philippines, United Arab Emirates, India, United States |
| nitesh idnani researcher |
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| ashok udhawdas idnani Ph.D. City University of New York 1980 |
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| siddhi idnani Indian film actress, IN (b. 1996) |
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| roshan idnani chess player |
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| taran idnani chess player |
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