Family name Wijetunga (Wijetunga 
) , in the entire world, is quite a common last name. The cognomen Wijetunga is characteristic of Sri Lanka, where it is quite a common surname, United Arab Emirates, where it is a rare surname, and Australia. Measured by absolute frequency, it is the most numerous in Sri Lanka, Australia, and the United States. Very seldom, Wijetunga is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Wijetunga | Australia, United Arab Emirates, United States, United Kingdom, Sri Lanka |
| vernon wijetunga ceylonese civil lawyer (b. 1920) |
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| wijetunga m. ariyaratna Ph.D. Colorado State University 1981 |
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| asanka r wijetunga researcher (ORCID 0000-0003-1332-5974) |
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| imeshi wijetunga researcher |
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| lahiru wijetunga Sri Lankan cricketer (b. 1989) |
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| asoka wijetunga |
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Mr, Padma, Rohan, Ruwan, David, Dilan, Ganga, Gayan, Jolyn, Theja, Nimal, Hemal, Vijay, Fiona, Indra, Martin, Manori, Mahesh, Mahima, Madara, Minoli, Sanath, Kasun, Kalum, Ajith, Amila, Sam, Sri, Jen, Nel, Mary, Mali, Sulo, Anna, Daya, Dinu, Sankha, Leah, Neil, Viro, Maria, Mevan, Sunil, Sonia, Anura, Anudi, Anoma, Aruna, Nilu, and Saliya