Gudachari 116 (transl. Agent 116) is a 1966 Indian Telugu-language spy film directed by M. Mallikarjuna Rao. Produced by Sundarlal Nahta and Doondi, the film stars Krishna in the titular role, alongside Jayalalitha, Rajanala, and Mukkamala in pivotal roles. It is considered the first spy film in Telugu cinema and among the earliest in Indian cinema.

Released on 11 August 1966, Gudachari 116 was a commercial success and marked a turning point in Krishna's career. It was his third film as a lead actor and his first as a solo lead. The film's success propelled Krishna to stardom, earning him the nickname "Andhra James Bond" and establishing him as a prominent figure in Telugu cinema. Following this, Krishna's career gained momentum, with the actor signing 20 more films. The film's popularity also inspired several unrelated sequels and a Hindi remake titled Farz (1967).