Retro (taglined Love-Laughter-War) is a 2025 Indian Tamil-language romantic action film written and directed by Karthik Subbaraj. Produced by Stone Bench Creations and 2D Entertainment, the film stars Suriya and Pooja Hegde in the lead roles. In the film, Paarivel “Paari” Kannan, an orphan raised by a gangster, faces betrayal and a violent cult as he searches for his true origins, fulfils a prophecy, and tries to reunite with his lost love, Rukmini.

The film was officially announced in March 2024 under the tentative title Suriya 44, along with the tagline Love, Laughter, War. The official title was revealed in December 2024. Principal photography commenced in June 2024 and wrapped by early-October. Filming locations included the Andaman and Nicobar Islands, Ooty, Kerala and Chennai. The film has music composed by Santhosh Narayanan, cinematography handled by Shreyaas Krishna and editing by Shafique Mohamed Ali.

Retro was released worldwide on 1 May 2025 in standard and EPIQ formats and emerged as a commercial success. The film received positive reviews praising the performance of Suriya and Hegde, Subbaraj's direction and storytelling, music, action sequences and visuals, but some pointed out issues with the pacing. It set several box office records for a Tamil film, emerging one of the highest-grossing Tamil films of 2025. Retro's success led the team to donate ₹10 crore (US$1.2 million) from the film's profit to the educational NGO Agaram Foundation.