Aan Pillai Singam () is a 1975 Indian Tamil-language film, directed by S. P. Muthuraman and produced by Ramachandran. The film stars Sivakumar, Sripriya, Sujatha and M. N. Rajam. It was released on 19 September 1975.
The music was composed by Vijaya Bhaskar.
Kanthan of Kalki criticised the story, but praised Muthuraman's direction.