Deepa Milton Sarath Dassanayake (Sinhala:සරත් දසනායක; born 13 August 1942 and died 18 November 1999), popularly known as Sarath Dassanayake, was a Sri Lankan composer, film producer and a renowned musician. One of the pioneer music composers in Sinhala cinema, Dassanayake has contributed to more than around 150 films and 600 film songs as a composer.