Cognomen Wijesundera (Wijesundera 
) , all around the world, is quite a rare surname. The cognomen Wijesundera is characteristic of Sri Lanka, where it is quite a common surname, Qatar, where it is a rare surname, and Australia. In absolute terms, it most frequently occurs in Sri Lanka, Australia, and the United States.
| VARIANT | COUNTRY |
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| Wijesundera | Qatar, Sri Lanka, Australia, United States, India |
| kavindra kumara wijesundera researcher |
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| wijepurage sandhya sulochana wijesundera researcher |
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| chamini wijesundera researcher (psychology) |
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| stanley wijesundera Sri Lankan academic, LK |
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| isuri wijesundera researcher (ORCID 0000-0002-6668-2695) |
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| hapu arachchige ranjith vasantha wijesundera Ph.D. Tulane University 1995 |
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| deepali wijesundera |
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| rushri wijesundera US american tennis player, US (b. 1992) |
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| isitha wijesundera Sri Lankan cricketer (b. 1997) |
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Mr, Kushal, Kusala, Pearly, Rasika, Rushri, Dilini, Dilhan, Gerard, Gishan, Chakra, Lalith, Tehani, Harini, Herath, Imalka, W W Mudiyanselage, Manjula, Mahinda, Sanduni, Samitha, Janaki, Ashini, Sisira, Shehan, Ms, Eva, Gail, Jude, Neil, Sally, Supin, Aruni, Ajith, Punya, Rohan, Ruwan, Dinoo, Gihan, Nalin, Ishan, Irani, Umesh, Sanath, Sanoji, Samath, Savitri, and Shenaya