Worldwide, Damayanthi (Damayanthi 
) is a common female forename. The forename Damayanthi is habitual in Sri Lanka, where it is quite a rare predominantly feminine, but scarcely boy's name, Kuwait, where it is quite a rare dominantly female, but uncommonly boy's name, and India, where it is quite a rare girly name. Very seldom, Damayanthi is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Damayanthi | Saudi Arabia, Kuwait, India, Indonesia, Sri Lanka |
| damayanthi fonseka Sri Lankan actress, LK (b. 1960) |
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| damayanthi niles (b. 1965) |
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| damayanthi dassanayake researcher (ORCID 0000-0002-5362-0751) |
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| damayanthi durairajanayagam researcher |
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