Mounam Sammadham is a 1990 Indian Tamil-language legal thriller film directed by K. Madhu and produced by Kovai Chezhiyan.
The film stars Mammootty in his Tamil debut alongside Amala, with the plot centered on Sundaram, a businessman wrongfully convicted of a crime, and his lawyer Raja who takes up his case to uncover the truth behind the conviction.
Released on June 15, 1990, it was both a critical and commercial success. The film's music score is by Ilaiyaraaja, featuring songs like "Kalyaana Thaen Nilaa" (in Darbari Kanada raga) and "Chik Chik Chaa".
A Telugu version titled Lawyer The Great also exists.
