Avan Aval Adhu is a 1980 Indian Tamil-language film directed by Muktha Srinivasan and written by Visu. The film stars Sivakumar, Lakshmi, Sripriya and Thengai Srinivasan. Dealing with the then-groundbreaking issue of surrogate pregnancy in India, it is based on the story Oru Singam Muyalaagirathu by Sivasankari. The film was released on 11 April 1980.