Family name Ekanayake (Ekanayake 
) , all over the world, is a common cognomen. The cognomen Ekanayake is habitual in Sri Lanka, where it is a common surname, Maldives, where it is quite a common surname, and Qatar, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in Sri Lanka, Australia, and United Arab Emirates. Much less frequently, Ekanayake is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Ekanayake | Indonesia, United Arab Emirates, Sri Lanka, Australia, United States |
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sarath ekanayake Sri Lankan politician, LK |
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| sepala ekanayake Sri Lankan criminal, LK (b. 1949) |
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| ajith ekanayake Sri Lankan cricketer (b. 1965) |
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| thanuga ekanayake cricketer, LK (b. 1974) |
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| narendra ekanayake Bahamian cricketer, BS (b. 1977) |
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| anura ekanayake (b. 1968) |
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| dinesh ekanayake Ph.D. Texas Tech University 2009 |
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| lukshman jay ekanayake researcher (ORCID 0000-0003-3382-2548) |
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| nagitha ekanayake researcher (ORCID 0000-0002-2236-8696) |
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| amy j. drew ekanayake Ph. D. Texas Tech University 2009 |
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| charitha ekanayake researcher (ORCID 0000-0002-2859-5945) |
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| piyasiri ekanayake researcher |
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| chandra ekanayake Sri Lankan judge and lawyer |
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| jagath ekanayake soil and landscapes researcher in New Zealand |
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| poornima ekanayake researcher (ORCID 0000-0002-3753-0844) |
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