In the world, Susantha (Susantha 
) is quite a common principally boy's, but very infrequently girly given name. The forename Susantha is habitual in Sri Lanka, where it is quite a common predominantly male, but very seldom female name, Qatar, where it is quite a common boy's name, and Kuwait, where it is quite a rare unisex name. Not in comparison with a country's population, it is the most numerous in Sri Lanka, Saudi Arabia, and Qatar. Very seldom, Susantha is the last name as well as the forename.
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| Susantha | Sri Lanka, United Arab Emirates, India, Qatar, Saudi Arabia |
| susantha de fonseka Sri Lankan politician (1900-1963), LK (b. 1900) |
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susantha de alwis Sri Lankan diplomat |
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| susantha mendis Sri Lankan Army officer (1950–1998), LK (b. 1950) |
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| susantha c. ratnayake Chairman - John Keells Holdings Plc (b. 1958) |
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| susantha chandramali Sri Lankan actress (b. 1964) |
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| susantha dissanayake Sri Lankan cricketer, LK (b. 1974) |
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| susantha goonatilake Sri Lankan academic, sociologist, and Professor |
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| susantha jayasundara researcher |
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| susantha gomis researcher |
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Das, Jayaweera, Thenuwara, Ekanayaka, Weerakoon, Samarakoon, Priyankara, Ranasinghe, Rathnayake, Rathnayaka, Deshapriya, Gunasekara, Jayasinghe, Wijesinghe, Dissanayake, Dissanayaka, Gunawardana, Gunathilake, Jayawardana, Jayawardena, Weerasinghe, Karunarathna, Ranaweera, Karunarathne, Pathirana, Jayalath, Susa, Malik, Silva, Alwis, Kumar, Pinto, Ghosh, Kumara, Perera, Peiris, Gamage, Herath, Indika, Sampath, Bandara, Pradeep, Ranjith, Sanjeewa, Chandana, Piyasiri, Liyanage, Fernando, and Priyadarshana