He was aged 68.
Mr. Fernando was undergoing treatment for a prolonged illness.
Funeral details are to be announced later.
President of Sri Lankan Singers Association, Mr Keerthi Pasquel states that due to the prevailing Covid-19 situation in the country a decision on the final rites of the veteran singer is expected to be taken later following the completion of relevant tests.
Known as the 'Prince of Baila', Mr. Fernando was famous for his songs throughout several decades, especially hit tracks such as 'Golu Hadawatha Wiwara Karanna', 'Supun Sandak' and 'Maala'.