Jailer is a 2023 Indian Tamil-language action thriller film written and directed by Nelson Dilipkumar and produced by Sun Pictures. The film stars Rajinikanth in the lead role, alongside Ramya Krishnan, Vasanth Ravi, Tamannaah, Yogi Babu, Vinayakan, and Shiva Rajkumar.

The film tells the story of Muthuvel Pandian (Rajinikanth), a retired jailer who goes on a manhunt to find his son's killers. Muthuvel's son, Arjun (Vasanth Ravi), is an Assistant Commissioner of Police who is investigating a smuggling racket involving temple idols. Arjun is murdered by the criminals, and Muthuvel is determined to avenge his death.

Muthuvel uses his skills and experience as a jailer to track down the criminals. He also gets help from his friends and colleagues, including a police officer named Meera (Ramya Krishnan).

Jailer is a fast-paced and action-packed film with a strong performance from Rajinikanth. It is also a well-made film with stunning visuals and a gripping storyline.