Kalyan Ram Kathi, also known as Kathi (transl. Sword), is a 2010 Indian Telugu-language action film written and directed by Mallikarjun. It stars Kalyan Ram in the lead role, alongside Sana Khan, Shaam, Saranya Mohan and Kota Srinivasa Rao. The story was written by Vakkantham Vamsi, while Mallikarjun wrote the screenplay. The film features music composed by Mani Sharma. It also marks the second collaboration between Kalyan Ram and Mallikarjun after Abhimanyu, along with the Telugu debut of Sana Khan. The narrative revolves around a football player who unleashes his violent side when his sister goes missing.

Prior to its release, the film became embroiled in a controversy regarding the title, which was registered by director Gunasekhar for a film he was going to make with Ravi Teja. The title was changed from Kathi to Kalyan Ram Kathi, following which Gunasekhar gave up the title.

The film released on 12 November 2010. It was a commercial failure.