Kasun Kalhara Jayawardhana (Sinhala: කසුන් කල්හාර ) (born 3 November 1981) is a Sri Lankan singer, musician and record producer.During his musical career, Kasun has released three albums, Haritha Nimnaye, Radical Premaya and Romantic Opera.He is one of the biggest and best-selling music artists in Sri Lanka.