All Souls is an American paranormal hospital drama television series created by Stuart Gillard and Stephen Tolkin and inspired by Lars von Trier's miniseries The Kingdom. It originally aired for one season on UPN from April 17, 2001, to August 31, 2001. The series follows the medical staff of the haunted teaching hospital All Souls. While working as a medical intern, protagonist Dr. Mitchell Grace (Grayson McCouch) encounters various spirits, and discovers that the doctors are running unethical experiments on their patients. The executive producers included Aaron Spelling, E. Duke Vincent, and Mark Frost.

Gillard developed the premise for All Souls from his belief that a medical facility would be an ideal setting for a horror series and his research on statistics of deaths that had taken place in a hospital. Frost also felt that there was a close connection between modern medicine and the supernatural. Though the series was set in Boston, filming took place in Montreal, Canada. Episodes were shot in a working psychiatric hospital, and real patients appear in the background of several scenes.

All Souls had low viewership, and was placed on hiatus following the broadcast of the first two episodes and canceled after the season was broadcast. Critical response to All Souls was primarily positive; commentators praised its use of horror and paranormal elements. Critics had mixed reviews for the show's content and style when compared to other horror and science-fiction television series, specifically The X-Files and the work of American writer Stephen King.