Cognomen Weerakoon (Weerakoon 
) , globally, is a common surname. The cognomen Weerakoon is habitual in Sri Lanka, where it is a common surname, Maldives, where it is quite a rare surname, and United Arab Emirates. Measured by absolute frequency, it is the most numerous in Sri Lanka, United Arab Emirates, and Australia. Very seldom, Weerakoon is the forename as well as the last name.
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| Weerakoon | Australia, Saudi Arabia, Sri Lanka, United States, United Arab Emirates |
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bradman weerakoon Fmr senior Sri Lankan civil servant, LK (b. 1930) |
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sanath weerakoon Sri Lankan civil servant, LK (b. 1941) |
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| p. b. a. weerakoon Ceylonese educator and politician (b. 1900) |
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| patricia weerakoon Australian Christian sexologist (b. 1940) |
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esala weerakoon Sri Lankan diplomat, LK |
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| udaya weerakoon badminton player, LK (b. 1960) |
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| gothamie weerakoon Sri Lankan lichenologist, LK (b. 1973) |
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| sunethra weerakoon Ph.D. The Pennsylvania State University 1984 |
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| noel weerakoon Sri Lankan army officer |
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| kosala weerakoon researcher |
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| sitara weerakoon researcher |
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| harshi weerakoon researcher ORCID ID = 0000-0002-8699-133X |
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| arosha weerakoon researcher |
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| bimali sanjeevani weerakoon researcher |
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| vishvashantha weerakoon Sri Lankan cricketer, LK (b. 1987) |
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Mr, Shani, Shiny, Suren, Sunil, Supun, Sujan, Sriya, Aloka, Anura, Sahan, Anoma, Aruni, Abaya, Amali, Amila, Asiri, Asela, Akila, Ajith, Chalu, Aruna, Chula, Saman, Mohan, Ms, Mal, Sam, Ann, Ash, Don, Nim, Mike, Smmr, Sarah, Anil, Elmo, Hema, Indu, Indy, Wmtb, Upul, Mario, Manoj, Mahen, Dian, and Clyde