Last name Ranatunge (Ranatunge 
) , worldwide, is quite a rare cognomen. The family name Ranatunge is habitual in Sri Lanka, where it is quite a common surname, Singapore, where it is a very rare surname, and Australia. Not in comparison with a country's population, it most frequently occurs in Sri Lanka, Indonesia, and Australia. Very seldom, Ranatunge is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ranatunge | United States, Sri Lanka, Singapore, Indonesia, Australia |
| prabha ranatunge Sri Lankan radio personality, LK (b. 1922) |
|
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| rasangi kalpana ranatunge badminton player, LK (b. 1981) |
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Mr, Sumedha, Chandhi, Chanaka, Bandula, Keshani, Palitha, Deepani, Lasitha, Thanuja, Shanaka, Thisara, Indunil, Sudarshi, Chandima, Buwaneka, Doshanthri, Lasantha, Jayanthi, Tharushi, Nipunika, Natasha, Hemantha, Maheshi, Usitha, Maiqs, Aimee, Ranil, Rohan, Dilan, Tissa, Nanda, Nuwan, Mahesh, Malinda, Sandun, Sisira, Asanka, Binura, Rasika, Rohana, Gayani, Lahiru, Joshua, Indika, Sanugi, and Maheshini