All around the world, Wasantha (Wasantha 
) is quite a common primarily male, but very infrequently girly first name. The first name Wasantha is characteristic of Sri Lanka, where it is quite a common male name, Qatar, where it is quite a common primarily masculine, but very infrequently feminine name, and Kuwait, where it is quite a rare unisex name. Measured by absolute frequency, it is the most numerous in Sri Lanka, Saudi Arabia, and Qatar. Very seldom, Wasantha is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Wasantha | Qatar, Saudi Arabia, United Arab Emirates, Sri Lanka, Kuwait |
| wasantha soysa Sri Lankan karateka, LK (b. 1901) |
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wasantha karannagoda Sri Lankan Admiral, LK (b. 1952) |
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| wasantha sandanayake Sri Lankan songstress and playback singer (b. 1917) |
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wasantha senanayake Sri Lankan politician, LK (b. 1973) |
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| wasantha aluvihare politician, LK (b. 1962) |
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| wasantha kumara Sri Lankan cricketer (b. 1964) |
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| wasantha samarasinghe Sri Lankan politician (b. 1976) |
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| wasantha kumaravila Sri Lankan actor, and stunt director (born 1978), LK (b. 1978) |
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| wasantha priyadarshani researcher |
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| wasantha jayawardene researcher |
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| wasantha dukgannarala Sri Lankan actor and lyricist, LK |
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| wasantha bandara daundasedera Ph.D. University of Alabama-Tuscaloosa 1996 |
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| wasantha p dissanayake researcher (ORCID 0000-0002-5034-5563) |
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| wasantha warnapura Sri Lankan cricketer (b. 1981) |
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| wasantha nilmini |
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