Family name Jayewardene (Jayewardene 
) , all over the world, is quite a rare last name. The cognomen Jayewardene is characteristic of Sri Lanka, where it is quite a common surname, Australia, where it is a very rare surname, and the United Kingdom. In absolute terms, it is commonest in Sri Lanka, Australia, and the United States.
| VARIANT | COUNTRY |
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| Jayewardene | United Kingdom, Australia, United States, Sri Lanka, Philippines |
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eugene wilfred jayewardene Sri Lankan judge, LK (b. 1874) |
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elina jayewardene politician, LK (b. 1913) |
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| hector alfred jayewardene Sri Lankan lawyer (b. 1870) |
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| theodore godfrey wijesinghe jayewardene Sri Lankan politician, LK (b. 1872) |
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| john adrian st. valentine jayewardene Sri Lankan judge (b. 1877) |
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| hector wilfred jayewardene Sri Lankan lawyer (1916-1990) (b. 1916) |
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| a jayewardene researcher |
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| romaine d. jayewardene Ph.D. Carnegie Mellon University 1995 |
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Jay, Naveen, Nehama, Eranga, Harini, Hashan, Inosha, Avindra, Romaine, Devinda, Vronsky, Mahesvathy, Sanjeeva, Samantha, Sharmala, Sharmini, Danielle, Darshika, Tanushri, Thalitha, Induranga, Inosha Nilakshi, Taraka, Lalith, Dharsh, Dexter, Vin, Gita, Sanul, Sharm, Arosh, Amrik, Kavan, Nimal, Indra, Inoka, Inoshanilakshi, Sarath, Sunela, Albert, Adrian, Asanga, Brenda, Kishan, Pradip, Rakith, Romesh, Ruwani, Shamal, and Irangani