Last name Wijekoon (Wijekoon 
) , worldwide, is a common family name. The last name Wijekoon is characteristic of Sri Lanka, where it is quite a common surname, Qatar, where it is quite a rare surname, and United Arab Emirates, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Sri Lanka, Australia, and United Arab Emirates. Very seldom, Wijekoon is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Wijekoon | Australia, United Arab Emirates, Indonesia, Sri Lanka, Qatar |
| ukku banda wijekoon Sri Lankan diplomat (1934-2016), LK (b. 1934) |
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| shalini wijekoon researcher |
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| suranji wijekoon researcher |
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| nancy wijekoon Sri Lankan poet and activist |
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| anjana wijekoon researcher |
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| chathuri j k wijekoon researcher |
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| pushpa wijekoon researcher |
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| chandana wijekoon chess player (b. 1984) |
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Mr, Aruna, Aruni, Amali, Amila, Ashan, Asoka, Akira, Ajith, Kalpa, Anura, Kamal, Kevin, Ravin, Ruwan, Degra, Daham, Dilan, Disna, Ganga, Gayan, Kasun, Srima, Sunil, Saman, Ms, Ba, Sam, Ken, Dak, Mala, Madu, Daya, Tony, Emal, Indy, Imal, Wmsb, Upul, Manel, Manju, Malik, Madhu, Mohan, Menik, Sanka, Geeth, and Gihan