Dheerga Sumangali is a 1974 Indian Tamil-language drama film directed and co-written by A. C. Tirulokchandar. The film was produced under Visalakshi Combines.
The lead roles were played by K. R. Vijaya and Muthuraman, with Major Sundarrajan, V. K. Ramasamy, and Sivakumar in supporting roles.
The film's music score was composed by M. S. Viswanathan, featuring lyrics written by Kannadasan and Vaali.
The story revolves around Lakshmi and Sundaram, a happily married couple with two sons and a daughter. Sundaram is depicted as enforcing strict discipline within their family.
The film was released on 12 April 1974 and was remade in Telugu (1974), Malayalam (1976) under the title Aayiram Janmangal, and in Hindi (1986) titled Sadaa Suhagan.