Cognomen Dasanayake (Dasanayake 
) , worldwide, is a common last name. The family name Dasanayake is habitual in Sri Lanka, where it is quite a common surname, United Arab Emirates, where it is quite a rare surname, and Qatar, where it is a rare surname. In absolute terms, it most frequently occurs in Sri Lanka, United Arab Emirates, and Australia. Very seldom, Dasanayake is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dasanayake | United Arab Emirates, Sri Lanka, Saudi Arabia, Italy, Australia |
| dhammika dasanayake Sri Lankan civil servant |
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| isuru dasanayake researcher |
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Mr, Rohan, Ruwan, Dulaj, Gayan, Geeth, Nadee, Nadun, Nimal, Nipun, Randy, Nuwan, Harry, Hasun, Himal, Inoka, Ishan, Isuru, Imesh, Owila, Wimal, Harin, Ranga, Kusum, Kavin, Ms, Ama, Amy, Mary, Anil, Ravi, Gaya, Ivan, Upul, Mahen, Saman, Sahan, Suraj, Sunil, Supun, Anura, Aruna, Amali, Amila, Ajith, Kasun, Udaya, and Udara