Ullaasam (transl. Joy) is a 1997 Indian Tamil-language romantic action film directed and co-written by the duo J. D.–Jerry and produced by Amitabh Bachchan. The film stars Ajith Kumar, Vikram and Maheswari with Raghuvaran, S. P. Balasubrahmanyam and Srividya in other pivotal roles. It was released on 23 May 1997 to mixed reviews.

Joseph D. Sami and Jerald Arockiam, collectively known as J. D.–Jerry, are an Indian filmmaking duo, who work predominantly in Tamil cinema.