Last name Udani (Udani 
) , in the world, is a common family name. The surname Udani is habitual in Sri Lanka, where it is quite a rare surname, Philippines, and Oman, where it is a rare surname. In absolute terms, the name is most common in India, Philippines, and Sri Lanka. Also, Udani is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Udani | United States, Malaysia, Philippines, Sri Lanka, India |
| rupa udani researcher (ORCID 0000-0002-0686-6767) |
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| ankeet d udani researcher |
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| andrea g udani researcher |
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