Malathi (/mɑːləθi/) is a 1970 Indian Tamil-language drama film written, produced and directed by K. S. Gopalakrishnan.

The film stars Gemini Ganesan, B. Saroja Devi and Ravichandran.

Malathi, a young woman from a wealthy family, pursues MBBS in a medical college, where she meets Balu, a senior student.

She decides to reform him, and the rest of the film deals with whether she succeeds in her endeavour or not.

[1] The soundtrack was composed by M. S. Viswanathan, who was assisted by Govardhanam and Joseph Krishna.