Udayakantha Warnasuriya is a Sri Lankan film director, producer, screenwriter and author. Considered to be one of Sri Lanka's best film makers, Warnasuriya has made many movies, including Gini Avi Saha Gini Keli, Rosa Wasanthe, Hiripoda Wassa, Randiya Dahara and Asai Man Piyabanna.
By 2018, Warnasuriya had directed 25 films, produced 7 films, wrote 5 film stories, 9 film scripts, 2 film dialogues and 3 film screenplays.
In 2017, Warnasuriya was arrested for allegedly making a film to duplicate the performances of veteran film actor Bandu Samarasinghe. The actor made a complaint against Warnasuriya and similar actor Bindu Bothalegama. On a previous occasion, Warnasuriya and four others were summoned. They were released on a surety bail of Rs.10,000.
Warnasuriya has written two books, based on his popular films.