Nna Thaan Case Kodu (transl. If so, sue me) is a 2022 Indian Malayalam-language satire courtroom comedy film written and directed by Ratheesh Balakrishnan Poduval, produced by Santhosh T. Kuruvilla and co-produced by Kunchacko Boban Productions and Udaya Pictures. The film stars Kunchacko Boban and Gayathrie Shankar (In her Malayalam debut). The music was composed by Dawn Vincent. The story revolves around Kozhummal Rajeevan, a reformed thief's fight for justice when an innocent act to defend himself places him in loggerheads with the high and mighty of society.

Nna Thaan Case Kodu was released theatrically on 11 August 2022 opened to positive reviews for its humour, screenplay, direction & performances. It was featured at the 54th IFFI Indian panorama section. The film was a blockbuster at box office.