Saw IV
- Ano: 2007
- País: United States of America
- Xénero: Horror, Thriller, Crime
- Estudo: Twisted Pictures, Lionsgate
- Palabra clave: pain, sadism, psychopath, fbi, victim, games, electric chair, doctor, torture, police officer, miscarriage, survival horror, death match, macabre, mind game, female corpse, death game
- Director: Darren Lynn Bousman
- Reparto: Tobin Bell, Costas Mandylor, Scott Patterson, Betsy Russell, Lyriq Bent, Athena Karkanis