Surname Rajapaksha (Rajapaksha 
) , in the world, is a common family name. The last name Rajapaksha is habitual in Sri Lanka, where it is a common surname, Maldives, where it is quite a common surname, and Qatar. Not in comparison with a country's population, this name is the most popular in Sri Lanka, United Arab Emirates, and Saudi Arabia. Very seldom, Rajapaksha is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Rajapaksha | Qatar, United Arab Emirates, Saudi Arabia, Kuwait, Sri Lanka |
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suranimala rajapaksha Sri Lankan politician (1949-2016), LK (b. 1949) |
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| thilak rajapaksha Sri Lankan politician, LK (b. 1971) |
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| harinda rajapaksha researcher |
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| tharinda w rajapaksha researcher (ORCID 0000-0003-3238-2392) |
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| indu g rajapaksha researcher |
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| d s w rajapaksha researcher |
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| i. rajapaksha researcher, ORCID id # 0000-0001-6109-1573, LK |
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| ruwini d rajapaksha researcher |
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| rohitha rajapaksha Sri Lankan cricketer (b. 1989) |
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| agith rajapaksha Sri Lankan cricketer (b. 1995) |
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| anushka upamali rajapaksha researcher |
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