Saw X is a 2023 American horror film and the tenth installment in the Saw film series, that serves as both a direct sequel to Saw (2004) and a prequel to Saw II (2005). It is directed and edited by Kevin Greutert and written by Peter Goldfinger and Josh Stolberg. The film stars Tobin Bell and Shawnee Smith reprising their roles from the previous films, with Synnøve Macody Lund, Steven Brand, Renata Vaca, and Michael Beach. Set between the events of the first two films, John Kramer (Bell) travels to Mexico in hopes an experimental procedure may cure him, later discovering a scam within the operation. As retribution, he kidnaps those responsible and subject them to his trademark death traps.

Originally intended to be the ninth installment of the series, the plot of the film was postponed in favor of a spin-off titled Spiral, from a story pitched by Chris Rock. A tenth installment was reported to be in development with Twisted Pictures in April 2021. Stolberg and Goldfinger, writers for the previous two entries of the series, announced they had completed the script in December 2021. Greutert, who had directed two other installments of the series and edited six, was also confirmed as the film's director. Charlie Clouser, who had composed all the previous films, returned to compose the score. Filming took place from October 2022 to February 2023 in Mexico City.

Saw X was theatrically released by Lionsgate on September 29, 2023. It has grossed $57 million worldwide and received generally positive reviews from critics, with many describing it as the strongest entry since the first film while also singling out Bell's performance for praise