Surname Sandanayake (Sandanayake 
) , worldwide, is quite a rare family name. The family name Sandanayake is habitual in Sri Lanka, where it is quite a common surname, Australia, where it is a very rare surname, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Sandanayake | Australia, Canada, Italy, United States, Sri Lanka |
| wasantha sandanayake Sri Lankan songstress and playback singer (b. 1917) |
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| malindu sandanayake researcher |
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Sam, Ishani, Manjula, Malindu, Chamila, Kishani, Priyath, Thanuja, Thanuji, Nikeshi, Indana, Anuradha, Chameera, Prasanna, Ravindra, Darshana, Don Suneth Sameera, Lalindra, Nadeesha, Manel Padmalatha, Charmalee, Chaminda, Nenuka, Thushi, Lahiru, Loku, Manel, Supun, Aruna, Ranil, Dayal, Eshan, Hiran, Inoka, Upali, Samith, Sudesh, Senaka, Asanka, Asitha, Kishan, Pushpa, Rasika, Rohana, Ruwani, Gamini, Chinthana, and Priyankara