Nil Gavani Kaadhali is a 1969 Indian Tamil-language crime thriller film, directed by C. V. Rajendran and written by Chitralaya Gopu. The film stars Jaishankar, Bharathi, Nagesh, Jayanthi and Vijaya Lalitha. The film had musical score by M. S. Viswanathan, and fared well at the box office.