John Wick: Chapter 4 is a 2023 American neo-noir action thriller film directed and co-produced by Chad Stahelski and written by Shay Hatten and Michael Finch. It is the sequel to John Wick: Chapter 3 – Parabellum (2019) and the fourth installment in the John Wick franchise, the film stars Keanu Reeves as the title character, alongside Donnie Yen, Bill Skarsgård, Laurence Fishburne, Hiroyuki Sanada, Shamier Anderson, Lance Reddick, Rina Sawayama, Scott Adkins, Clancy Brown, and Ian McShane. In the film, John Wick sets out for revenge on the High Table and those who left him for dead.

Development of the fourth John Wick film, formally announced by Lionsgate in May 2019, was confirmed before the release of its predecessor. It is the first film in the franchise that was not written by franchise creator Derek Kolstad; Hatten was hired in May 2020, then Finch in March 2021. Principal photography took place from June to October 2021 in France, Germany, New York City, and Japan.

The planned release on May 21, 2021, was delayed by the COVID-19 pandemic. John Wick: Chapter 4 premiered at the Odeon Luxe Leicester Square in London on March 6, 2023, and was released in the United States on March 24. The film received acclaim from critics, with praise for its action sequences, Stahelski's direction, cinematography, choreography, visual style, writing, score, and performances, and has grossed $440.1 million worldwide, becoming the highest-grossing film in the franchise, as well as the ninth-highest-grossing film of the year domestically in the United States.

A spin-off/prequel, titled From the World of John Wick: Ballerina, is set for release on June 6, 2025, while a fifth film is in development.