Family name Kulatunga (Kulatunga 
) , around the globe, is quite a common last name. The last name Kulatunga is habitual in Sri Lanka, where it is quite a common surname, United Arab Emirates, where it is a rare surname, and Qatar. Measured by absolute frequency, it is the most numerous in Sri Lanka, United Arab Emirates, and Australia. Very seldom, Kulatunga is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Kulatunga | Australia, United Arab Emirates, United States, Saudi Arabia, Sri Lanka |
| harini kulatunga Ph.D. University of Sheffield 2006 |
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| gumindu kulatunga researcher |
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| aruna kulatunga researcher |
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| k. m. m. b. kulatunga |
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| kulatunga wijekoon mudiyanselage pramitha prabhashini kumarihamy |
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| vimukthi kulatunga Sri Lankan cricketer (b. 1998) |
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Mr, Cecil, Cyril, Kevin, Kumar, Paula, Rohan, Ruwan, Dayan, Diane, Gayan, Jason, Nimal, Nethu, Nuwan, Hemal, Imara, Yasas, Udara, Udage, Upali, Manori, Ajith, Akila, Asoka, Asela, Aj, S G, Anu, Don, Sali, Anil, Asel, Ravi, Dani, Nilu, Mahesh, Nero, Upul, Manaj, Sahan, Sunil, Aloka, Anura, Anuja, Anula, Aruna, Amila, Neil, and Madara