Kaadhal Jyothi is a 1970 Tamil-language Drama motion picture directed by Thirumalai Mahalingam and Geethapriya. Kaadhal jyothi stars Gangadhar, Bharathi, Suma, T. N. Balakrishna, Jaishankar, Kanchana Devi and Sachu. The music was composed by Vijaya Bhaskar. Cinematography was done by V. Manohar. It was released on 1st January 1970.