Last name Jayathilake (Jayathilake 
) , in all the world, is a common cognomen. The family name Jayathilake is characteristic of Sri Lanka, where it is quite a common surname, Qatar, where it is a rare surname, and United Arab Emirates. Measured by absolute frequency, this name is the most popular in Sri Lanka, Australia, and United Arab Emirates. Very seldom, Jayathilake is the forename as well as the last name.
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| Jayathilake | Indonesia, Sri Lanka, Australia, United Arab Emirates, Qatar |
| amaranath jayathilake Sri Lankan filmmaker (1926-2006) (b. 1937) |
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| malith jayathilake Sri Lankan politician, LK (b. 1972) |
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| pahala gedara jayathilake researcher |
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| c. l. v. jayathilake Sri Lankan engineer, LK |
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| h manjari jayathilake researcher |
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| ransilu jayathilake Sri Lankan weightlifter (b. 1987) |
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| chathuranga jayathilake Sri Lankan cricketer (b. 1991) |
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| supeshala jayathilake cricketer, LK (b. 1995) |
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| sachitha jayathilake Sri Lankan cricketer, LK (b. 1997) |
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Mr, Akila, Ajith, Chani, Kasun, Pasan, Priya, Rangi, Rahul, Rosan, Asela, Rohan, Dilan, Donna, Dulal, Gayan, Geeth, Gihan, Nadhi, Namal, Niran, Ruwan, Amila, Amali, Amara, Ms, Anu, Don, Wan, Manu, Male, Anju, Amal, Karu, Pula, Nisa, Neil, Yapa, Sanji, Saman, Sahan, Sisil, Sunil, Supun, Senan, Aruna, Nimal, and Nihal