Surname Gunatillake (Gunatillake 
) , around the globe, is quite a rare family name. The family name Gunatillake is habitual in Sri Lanka, where it is quite a rare surname, Australia, where it is a rare surname, and New Zealand. In absolute terms, it is commonest in Sri Lanka, Australia, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Gunatillake | United Kingdom, Sri Lanka, Australia, United States, New Zealand |
| gajath gunatillake Ph.D. Purdue University 2005 |
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| rohan gunatillake Head of Product, NDS, NHS Education for Scotland, since 2019 (b. 1980) |
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Mr, Charaka, Ruchira, Dishani, Thanuja, Nadisha, Nirosha, Neelake, Hansika, Michelle, Samantha, Kanishka, Prasanna, Damindra, Lasantha, Narendra, Nilakshi, Udayanga, Suchith, Malkanthi, Samatha, Thilak, Ms, Lucy, Manel, Suren, Sunil, Supun, Kusum, Piumi, Rohan, Diana, Gayan, Anjana, Roshan, Damien, Donald, Gamini, Lalith, Harold, and Chathuranga