Daya Dissanayake (born March 8, 1947) is an award-winning bilingual Sri Lankan novelist, poet and blogger.
His work spans nine novels in English, six novels in Sinhala and a collection of poems, and numerous articles in newspapers, journals and magazines.
He is the author of the first e-novel in Asia, 'The Saadhu Testament' (1998), and the first e-novel in Sinhala, 'Vessan Novu Wedun' (2003).
He is the only Sri Lankan writer to receive the Sri Lankan State Literary Award for the best English novel thrice and was awarded the SAARC Literary Award in 2013.
Being the first Sri Lankan to release his work online and for free access, he is often seen as one of Sri Lanka's earliest and most vocal advocates for the ebook format, copyleft and Creative Commons.