Saw V is a 2008 horror film directed by David Hackl, in his directorial debut, from a screenplay by Patrick Melton and Marcus Dunstan. It is the fifth installment in the Saw film series and a sequel to 2007's Saw IV. The film stars Tobin Bell, Costas Mandylor, Scott Patterson, Betsy Russell, Mark Rolston, Julie Benz, Carlo Rota, and Meagan Good.

The plot follows FBI Agent Peter Strahm (Patterson) investigating the murders committed by the Jigsaw Killer (Bell), but as he delves deeper into the case, he realizes that the murders are part of a larger, more intricate plot. Meanwhile, Jigsaw's accomplice, Mark Hoffman (Mandylor), has been promoted to lieutenant and is tasked with leading the investigation into the Jigsaw murders. However, as Strahm gets closer to the truth, he becomes the target of Jigsaw's traps.

Melton and Dunstan, the writers of Saw IV, returned to write the film. Filming took place in Toronto from March to April 2008. Saw V was released by Lionsgate Films in the United States on October 24, 2008. The film received generally negative reviews from critics and grossed $118.2 million worldwide. A sequel, Saw VI, was released in 2009.