Meiyazhagan (transl. Man with truth as beauty) is a 2024 Indian Tamil-language drama film written and directed by C. Prem Kumar. It is produced by Jyothika and Suriya under 2D Entertainment. The film stars Karthi and Arvind Swamy in the lead roles alongside Rajkiran, Sri Divya, Devadarshini, Jayaprakash, Sriranjani, Ilavarasu, Karunakaran and Saran Shakthi.

The film was officially announced in February 2023 under the tentative title Karthi 27, as it is the actor's 27th film as a lead actor, and the official title was announced in the following May. Principal photography commenced in November 2023 and was predominantly shot in Chennai and Kodambakkam before wrapping by late-February 2024. The film has music composed by Govind Vasantha, cinematography handled by Mahendiran Jayaraju and editing by R. Govindraj.

Meiyazhagan released worldwide on 27 September 2024 to critical acclaim from critics who praised the lead cast's performances (especially Karthi and Aravind Swamy), storyline, Govind Vasantha's background score, emotional scenes and Premkumar's screenplay and direction. The movie was dubbed in Telugu as Satyam Sundaram.