Across the world, Udeni (Udeni 
) is quite a rare unisex given name. The first name Udeni is habitual in Sri Lanka, where it is quite a rare unisex name, Kuwait, and Oman, where it is a rare feminine name. Measured by absolute frequency, the name is most common in Sri Lanka, India, and Kuwait. Much less frequently, Udeni is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Udeni | Kuwait, India, Sri Lanka, Malaysia, Saudi Arabia |
| udeni wijesooriya Ph.D. University of Florida 2018 |
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| udeni b r balasuriya researcher |
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| udeni jayalal Sri Lankan lichenologist |
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| udeni edirisinghe |
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| udeni dona Emirati cricketer, LK (b. 1993) |
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Devi, Nilushika, Hettigedara, Fernando, Oliveira, Balasuriva, Basnayake, Rajapaksa, Ratnayake, Dilrukshi, Nisansala, Moonesinghe, Subasinghe, Rathnayake, Gunasekara, Gunasekera, Gunatilake, Jayasinghe, Subhasingha, Amarasinghe, Dissanayake, Jayasundara, Liyanage, Mallawarachchi, Priyanga, Abeykoon, Dias, Yapa, Silva, Alwis, Santos, Salmon, Kotage, Kumara, Kumari, Paswan, Perera, Peiris, Herath, Heththiarachchi, Hewage, Bandara, Pereira, Desilva, Leanage, Mabarana, Arachchi, Kanchana, and Dharmawardana