Hettipathirannehelage Dayananda Gunawardena (Sinhala: දයානන්ද ගුනවර්ධන) (15 October 1934 – 24 June 1993), better known as Dayananda Gunawardena, was a Sri Lankan playwright, actor, lyricist, dramatist, radio play producer, and Sinhala Radio Play writer.