Kanguva (transl. The Man with the Power of Fire), also known and marketed as Kanguva: A Mighty Valiant Saga, is an upcoming Indian Tamil-language fantasy action film directed by Siva and produced by K. E. Gnanavel Raja, V. Vamsi Krishna Reddy and Pramod Uppalapati under the banners of Studio Green and UV Creations. The film stars Suriya in six roles, leading an ensemble cast that includes Bobby Deol and Disha Patani (in their Tamil debuts), alongside Natarajan Subramaniam, Jagapathi Babu, Yogi Babu, Redin Kingsley, Kovai Sarala, Anandaraj, Ravi Raghavendra, K. S. Ravikumar and B. S. Avinash.

The project was originally announced in April 2019 under the working title Suriya 39, marking the actor's 39th film as a lead. It had begun pre-production in January 2021. Production was scheduled to start after Suriya had wrapped up Soorarai Pottru (2020). However, it was delayed after Siva got to direct Annaatthe (2021). Filming was later postponed, and eventually the project was shelved. Subsequently, in January 2022, Suriya disclosed that the film was still in progress. At one point, Gnanavel Raja opted out from producing the film as it is the costliest film he ever produced. Later, UV Creations agreed to take it up and Raja decided to produce it jointly.

The film was reannounced in August that year with the tentative title Suriya 42 as it became Suriya's 42nd film in a leading role. Principal photography commenced that month in Chennai. It was also filmed in various locations of Goa, Kerala, Kodaikanal and Rajahmundry. The title Kanguva was announced in April 2023. The technical crew includes Devi Sri Prasad, Vetri Palanisamy and Nishadh Yusuf as musician, cinematographer and editor respectively. Made on a budget of around ₹300–350 crore, Kanguva is one of the most expensive Indian films to date.

Kanguva is scheduled to be released theatrically in early 2024 in standard, 3D and IMAX formats.