Cognomen Rajapakshe (Rajapakshe 
) , worldwide, is a common last name. The surname Rajapakshe is habitual in Sri Lanka, where it is quite a common surname, United Arab Emirates, where it is a rare surname, and Australia. Very seldom, Rajapakshe is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Rajapakshe | Sri Lanka, United Kingdom, Australia, United Arab Emirates, United States |
| nimal rajapakshe Sri Lankan academic, LK |
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| chamara rajapakshe researcher |
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| rasika rajapakshe researcher |
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| kimal rajapakshe researcher (ORCID 0000-0002-0472-858X) |
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| onali b w rajapakshe researcher (ORCID 0000-0002-9154-8930) |
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| charith rajapakshe cricketer, LK (b. 1993) |
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Mr, Layan, Theja, Nadee, Nalin, Nihal, Nevil, Nuwan, Eshan, Viraj, Inoka, Isuru, Isura, Yohan, Udaya, Upali, Madura, Menake, Sandun, Saliya, Sarath, Sahani, Gayan, Saveen, Dilip, Ruwan, Ms, Sri, Ash, Don, Lal, Ravi, Duke, Nilu, Upul, Maria, Shara, Sunil, Supun, Suvin, Anura, Amila, Amith, Asela, Ajith, Kasun, Kimal, Dilan, and Sajith