In the entire world, Waruna (Waruna 
) is quite a common boy's first name. The forename Waruna is habitual in Sri Lanka, where it is quite a common masculine name, Qatar, where it is a rare boy's name, and United Arab Emirates. Not in comparison with a country's population, it is commonest in Sri Lanka, India, and Saudi Arabia. Very seldom, Waruna is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Waruna | United Arab Emirates, Indonesia, India, Myanmar, Sri Lanka |
| waruna fernando particle physicist |
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| waruna lakmal dissanayaka researcher |
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| waruna peiris researcher |
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| waruna d. kulatilaka researcher and professor in mechanical engineering |
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| waruna de alwis researcher |
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| waruna lakshan Sri Lankan javelin thrower, LK (b. 1988) |
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| waruna lakshanb dayarathna (b. 1988) |
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Silva, Dananjaya, Lakshitha, Tennakoon, Madushanka, Sandaruwan, Senanayake, Abeysinghe, Priyankara, Ranasinghe, Rajapaksha, Rupasinghe, Jayasinghe, Wijesuriya, Muhandiramge, Samaraweera, Seneviratne, Kariyawasam, Karunaratne, Dissanayake, Jayawardana, Nanayakkara, Rajapakse, Patabendi, Chinthaka, Madusanka, Gayan, Viraj, Arawgoda, Kumara, Perera, Peiris, Gamage, Lakmal, Thomas, Herath, Weerasinghe, Sampath, Pradeep, Prabath, Randika, Dilshan, Lakshan, Madushan, Sanjeewa, Samantha, Liyanage, Fernando, Bandara, and Karunathilaka