In the world, Niluka (Niluka 
) is quite a rare mostly feminine, but infrequently masculine given name. The forename Niluka is characteristic of Sri Lanka, where it is quite a common epicene name, Kuwait, where it is quite a rare gender-neutral name, and Qatar. Measured by absolute frequency, the name is most common in Sri Lanka, Kuwait, and Saudi Arabia. Much less frequently, Niluka is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Niluka | United Arab Emirates, Saudi Arabia, Kuwait, Sri Lanka, India |
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niluka geethani rajasekara Sri Lankan athletics competitor, LK (b. 1982) |
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| niluka karunaratne Sri Lankan cricketer, LK (b. 1979) |
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| niluka ekanayake politician |
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| niluka de mel researcher (ORCID 0000-0002-6394-5197) |
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| niluka shyamali cyclist, LK |
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| niluka goonawardane researcher ORCID ID = 0000-0003-2906-5513 |
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Moni, Sandamali, Samanmali, Ratnayake, Dilrukshi, Niroshani, Vithanage, Sanjeewani, Samarakoon, Priyangani, Rajapaksha, Rathnayake, Rathnayaka, Damayanthi, Gunasekara, Jayasinghe, Wijesinghe, Amarasinghe, Dissanayake, Gunathilaka, Karunarathne, Priyadarshani, Madushani, Thilakarathne, Udugampola, Fernando, Nilu, Silva, Patel, Mendis, Kumari, Perera, Gamage, Eratne, Herath, Sampath, Bandara, Dilhani, Lakmali, Fonseka, Samanthi, Sadamali, Shyamali, Sewwandi, Chandani, Dandeyage, Harshani, Wellappuli, and Wickramasinghe