Raghu Thatha ( transl. Grandfather Raghu) is a 2024 Indian Tamil-language political comedy film written and directed by Suman Kumar, in his directorial debut. The film is produced by Vijay Kiragandur under Hombale Films, in their Tamil production debut. It stars Keerthy Suresh, alongside M. S. Bhaskar, Ravindra Vijay, Devadarshini, Jayakumar Parameswaran Pillai, Rajeev Ravindranathan, Anandsami, Rajesh Balachandiran and Aadhira Pandilakshmi. The film deal with feminism and anti-Hindi agitations activism.

The film was officially announced in December 2022 under the film's official title Raghu Thatha. Principal photography commenced the same month. It was predominantly shot in Chennai, and wrapped by mid-May 2023. The film has music composed by Sean Roldan, cinematography handled by Yamini Yagnamurthy and editing by T. S. Suresh.

Raghu Thatha was released in theatres on 15 August 2024, coinciding India's Independence Day. The film received mixed reviews from critics.