Tekka (transl. Ace) is a 2024 Indian Bengali-language vigilante action thriller film co-written and directed by Srijit Mukherji. Produced by Gurupada Adhikari and Dev under the banner of Dev Entertainment Ventures, the film is based on a story of the same name by Bhaskar Chattopadhyay, which itself is loosely inspired from the West Bengal School Service Commission recruitment scam (2022). It stars an ensemble cast consisting of Dev, Swastika Mukherjee, Rukmini Maitra, Paran Bandyopadhyay, Sujan Mukherjee, Aryann Bhowmik, Sreeja Dutta and Aameya in her debut, with Kaushik Sen, Tota Roy Chowdhury, Sudeshna Roy and Srijit Mukherji himself in special appearances. The film follows Iqlakh, a poor janitor, who kidnaps a little girl and takes her hostage for 48 hours in order to demand his lost job.

The film was officially announced in August 2023 under the tentative title Dev 45, as it is the actor's 45th film as the lead actor, and the official title was announced in December 2023. Principal photography commenced in January 2024 in Kolkata. The film marks Srijit Mukherji's second collaboration with Dev and fourth collaboration with Swastika Mukherjee. Music of the film is composed by Ranajoy Bhattacharjee, with Kabir Suman as guest composer, and background score by Diptarka Bose, with lyrics penned by Suman and Bhattacharjee himself for their respective tracks, along with Barish. Modhura Palit handled the cinematography while Pranoy Dasgupta did the editing.

Tekka was released worldwide on 8 October 2024 on the occasion of Durga Puja. It opened to positive reviews from the audience as well as the critics alike, mainly noted as the biggest plot twist of 2024. Netting over ₹5.5 crore, it became a box-office superhit and emerged as the third highest grossing Bengali film of 2024.