Family name Gunasekara (Gunasekara 
) , all over the world, is a common surname. The family name Gunasekara is habitual in Sri Lanka, where it is a common surname, Maldives, where it is quite a common surname, and United Arab Emirates, where it is quite a rare surname. In absolute terms, it is commonest in Sri Lanka, United Arab Emirates, and Australia.
| VARIANT | COUNTRY |
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| Gunasekara | Australia, United Arab Emirates, Bangladesh, United States, Sri Lanka |
| abraham mendis gunasekara (1860-1931) (b. 1860) |
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| chippy gunasekara cricketer (1905-1974), LK (b. 1905) |
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| victor gunasekara Sri Lankan civil servant, LK (b. 1921) |
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| basil gunasekara Sri Lankan admiral, LK (b. 1929) |
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| valentine gunasekara Sri Lankan architect, LK (b. 1931) |
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| thalatha gunasekara Sri Lankan actress (1937-2003) (b. 1937) |
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| nadeeka gunasekara Sri Lankan film actress, LK (b. 1958) |
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| hemal gunasekara Sri Lankan politician, LK (b. 1959) |
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| deepal gunasekara Sri Lankan politician, LK (b. 1967) |
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| vindya n gunasekara researcher |
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| chinthika p gunasekara researcher |
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| chrys gunasekara researcher ORCID ID = 0000-0003-1348-9485 |
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| chamika gunasekara Sri Lankan cricketer |
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| thilina gunasekara researcher |
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| kapila gunasekara University chancellor |
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