In the world, Jayatilaka (Jayatilaka 
) is an extremely rare boy's forename. Predominantly, Jayatilaka is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Jayatilaka | Malaysia, Australia, United States, Sri Lanka, United Kingdom |
| kamani ayoma perera wijewardana jayatilaka researcher (ORCID 0000-0002-6714-0273) |
|
Mr, Rehan, Delmi, Dilan, Dilum, Dilki, Druvi, Gehan, Grace, Rohan, Gihan, Julie, Tissa, Naomi, Nimal, Nuwan, Eshan, Erwin, Helen, Julia, Peyal, Kasun, Brian, Ms, Va, Don, Lal, Jay, Manj, Arya, Ayal, Rani, Lara, Luke, John, Upul, Milan, Saman, Sonia, Ashra, Chmndra, Basil, Himal, and Ishan