KGF: Chapter 1 is a 2018 Indian Kannada-language period action film written and directed by Prashanth Neel, and produced by Vijay Kiragandur under the banner of Hombale Films. It is the first installment in the KGF series, followed by KGF: Chapter 2. The film features an ensemble cast including Yash, Srinidhi Shetty, Vasishta N. Simha, Ramachandra Raju, Archana Jois, Anant Nag, Achyuth Kumar, Malavika Avinash, T. S. Nagabharana and B. Suresha. Filmed on a budget of ₹80 crore (equivalent to ₹107 crore or US$12 million in 2023), it was the most expensive Kannada film at the time of its release. In the film, Rocky, a high-ranking mercenary, working for a prominent gold mafia in Bombay, seeks power and wealth in order to fulfill his mother's promise. Due to his high fame, the leaders of the gold mafia where he works hire him to assassinate Garuda, the son of the founder of Kolar Gold Fields.

The film's development began in early 2015, after Neel finished writing the screenplay. Filming began two years later, in January 2017. Most of the film is set in the Kolar Gold Fields and was filmed in locales such as Kolar, Mysore, and parts of North Karnataka. The film's production was completed in August 2018. Bhuvan Gowda handled the cinematography and Srikanth edited the film. Composer Ravi Basrur scored the film.

The Kannada version of KGF: Chapter 1 was released on 20 December 2018 and the dubbed versions in Telugu, Tamil, Malayalam and Hindi released the next day. The film received positive reviews from critics and dialogues from the film became famous worldwide. Due to this, the film performed well commercially and collected ₹250 crore (equivalent to ₹334 crore or US$39 million in 2023) in its entire theatrical run, becoming the highest-grossing Kannada film until it was surpassed by its sequel. It turned out to be a cult hit. At the 66th National Film Awards, the film won two awards for Stunt Choreography and Best Special Effects. At the 66th Filmfare Awards South, the film won two awards from five nominations, including the award for Best Film and Best Actor for Yash.