Fin is a 2021 American documentary film directed by Eli Roth. It follows Roth and a group of scientists, activists, and researchers who travel around the world exposing the extinction of sharks. Leonardo DiCaprio and Nina Dobrev serve as executive producers, with Lionsgate, Pilgrim Media Group and Appian Way Productions producing and Discovery+ distributing.

The film was released on July 13, 2021, by Discovery+.