The Banshees of Inisherin () is a 2022 black tragicomedy film directed, written, and co-produced by Martin McDonagh. Set on a remote fictional island off the west coast of Ireland in 1923, the film stars Colin Farrell and Brendan Gleeson as two lifelong friends who find themselves at an impasse when one abruptly ends their relationship, with severe consequences for both of them. Kerry Condon and Barry Keoghan co-star. It reunites Farrell and Gleeson after McDonagh's directorial debut In Bruges (2008).

The film had its world premiere on 5 September 2022 at the 79th Venice International Film Festival, where Farrell won the Volpi Cup for Best Actor and McDonagh won the Golden Osella for Best Screenplay. It was theatrically released in Ireland, the United Kingdom, and the United States on 21 October 2022 by Searchlight Pictures. The film received largely positive reviews, with particular praise for McDonagh's direction and screenplay, the performances of the cast, and Carter Burwell's score. It grossed $52 million worldwide against a $20 million budget.

The Banshees of Inisherin received nine nominations at the 95th Academy Awards, including Best Picture and Best Director. At the 80th Golden Globe Awards, it won three awards: Best Motion Picture – Musical or Comedy, Best Actor – Musical or Comedy (Farrell), and Best Screenplay. It also won four BAFTA Awards from ten nominations at the 76th British Academy Film Awards: Outstanding British Film, Best Actor in a Supporting Role (Keoghan), Best Actress in a Supporting Role (Condon), and Best Original Screenplay.

The film was also named one of the Top Ten Films of 2022 by the National Board of Review. It has since been cited as among the best films of the 2020s and the 21st century so far.