Aasaiyil Oru Kaditham is a 1999 Indian Tamil-language romantic drama film directed by Selva. The film stars Prashanth, Kausalya, Anand, and Chandni alongside an ensemble supporting cast including Vivek, Vijayakumar, Sathyapriya, Rajan P. Dev, and Santhana Bharathi. It is a remake of the Telugu film Snehithulu (1998). The music was composed by Deva with cinematography by K. S. Selvaraj and editing by Venkateswara Rao. The film was released on 17 December 1999.

Prashanth Thiagarajan, known professionally as Prashanth, is an Indian actor and businessman, known for his works predominantly in Tamil cinema. Besides Tamil films, he has also appeared in few Telugu, Hindi and Malayalam films. At the peak of his career in the late 1990s, Prashanth was one of the popular actors in South India. He has won a Kalaimamani Award from the Government of Tamil Nadu. The son of actor-director Thiagarajan, Prashanth began his career at 17 by appearing in the Tamil film Vaigasi Poranthachu (1990) and went on to feature in other films including Balu Mahendra's Vanna Vanna Pookkal (1992), R. K. Selvamani's Chembaruthi (1992), K. Rushendra Reddy's Tholi Muddhu (1993), and Mani Ratnam's action-comedy Thiruda Thiruda (1993). Prashanth rose to stardom with Shankar's romantic comedy Jeans (1998) in which he played a dual role alongside Aishwarya Rai. The success of Jeans saw him garner opportunities to work in bigger film projects and in the late 1990s, he featured in a series of breakthrough films such as Kannedhirey Thondrinal (1998), Kaadhal Kavithai (1998), Jodi (1999) and Parthen Rasithen (2000).