Worldwide, Senanayake (Senanayake 
) is a rare masculine given name. The forename Senanayake is characteristic of Southern Asia, particularly Sri Lanka, where it is quite a rare boy's name. Much more frequently, Senanayake is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Senanayake | Indonesia, United Arab Emirates, Sri Lanka, Australia, United States |
| dharmasiri senanayake Sri Lankan politician (1933-2000), LK (b. 1933) |
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| laki senanayake Sri Lankan sculptor and painter (b. 1937) |
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| somaweera senanayake Sri Lankan screenwriter and novelist, LK (b. 1944) |
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| edirisinghe senanayake Olympic pistol shooter, LK (b. 1970) |
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| madapathage gayan buddhika senanayake researcher |
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| madhubhashi senanayake researcher, ORCID id # 0000-0001-8706-4346 |
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