Mani Magudam is a 1966 Indian Tamil-language historical action film directed by S. S. Rajendran and written by M. Karunanidhi.
The plot revolves around revolutionaries from Manimagudapuram who attempt to raise a revolt against their king with the goal of establishing democracy in their kingdom, unaware that the king is actually kindhearted.
Produced from M. Karunanidhi's play of the same name, the film features Rajendran reprising his role as one of the three characters he portrayed in the film, alongside C. R. Vijayakumari and Jayalalithaa. M. N. Nambiar is also listed among the performers.
The music for the soundtrack was composed by R. Sudarsanam.