The Grudge, titled on its home media release as The Grudge: The Untold Chapter, is a 2019 American supernatural horror film written and directed by Nicolas Pesce. A soft reboot of the American The Grudge film series, based on the 2002 Japanese horror film Ju-On: The Grudge, the film takes place before and during the events of the 2004 film and its two sequels The Grudge 2 and The Grudge 3. The film stars Andrea Riseborough, Demián Bichir, John Cho, Betty Gilpin, Lin Shaye, and Jacki Weaver, following a police officer who investigates several murders that are seemingly connected to a single house.

A fourth American The Grudge film was announced in 2011. In March 2014, it was announced a soft reboot was in the works, with Jeff Buhler set to write the script. In July 2017, filmmaker Nicolas Pesce was hired for rewrites based on Buhler's script and to direct the film. On a budget of $12–14 million, filming took place from May to June 2018.

The Grudge was released by Sony Pictures Releasing in Indonesia on December 31, 2019, followed by other international territories in the subsequent days, and in the United States on January 3, 2020. The film received mixed-to-negative reviews from critics and audiences alike, and grossed $49.5 million worldwide.