Irulum Oliyum is a 1971 Indian Tamil-language film, directed and co-written by Puttanna Kanagal. A remake of his own Kannada film Kappu Bilupu (1969), itself based on a novel by Aryamba Pattabhi, it stars Vanisri in dual roles with A. V. M. Rajan and R. Muthuraman. The film revolves around two look-alike cousin sisters who switch places for a few days to escape from their respective problems. It was released on 10 September 1971 and became a commercial success.