Thangalaan (transl. Son of Gold) is a 2024 Indian Tamil-language action adventure film directed by Pa. Ranjith, who co-wrote the script with Tamil Prabha and Azhagiya Periyavan. It is produced by K. E. Gnanavel Raja under Studio Green. The film stars Vikram in five roles, along with Daniel Caltagirone, Pasupathy, Parvathy Thiruvothu, Malavika Mohanan and Hari Krishnan in the supporting role. During the British Raj era, a fierce tribal leader sets out to stop an apparent sorceress, after earning her wrath when assisting a British general in tracing gold in their village.

The film was officially announced in December 2021 under the tentative title Chiyaan 61, as it is Vikram's 61st film as a lead actor, and the official title was announced in October 2022. Principal photography commenced the same month. It was shot sporadically in several legs, and wrapped by early-July 2023. Filming locations included Chennai, Andhra Pradesh, Madurai and Karnataka. The film has music composed by G. V. Prakash Kumar, cinematography handled by A. Kishor Kumar, and editing by Selva RK.

Thangalaan was released worldwide on 15 August 2024 in standard, 3D and EPIQ formats, coinciding with India's Independence Day. The film received mixed to negative reviews from critics who praised storyline, action and GV Prakash Kumar's background score but criticized the historical inaccuracies, visual effects and writing. The film was a box-office failure.