Pet Sematary is a 2019 American supernatural horror film directed by Kevin Kölsch and Dennis Widmyer from a screenplay by Jeff Buhler, based on the 1983 novel of the same name by Stephen King. It is the second film adaptation of the novel, following the 1989 film. It is the third installment in the Pet Sematary film series. The film stars Jason Clarke, Amy Seimetz, and John Lithgow, and follows a family that discovers a mysterious graveyard in the woods behind their new home, capable of resurrecting the dead.

Talks for a new adaptation of Pet Sematary began in March 2010, with Matt Greenberg initially writing the screenplay. Lorenzo di Bonaventura and Steven Schneider were revealed to be producing the film with Juan Carlos Fresnadillo in talks to direct it. By December 2017, Paramount Pictures had greenlit the new film version of King's novel, with duo filmmakers Kölsch and Widmyer directing. Principal photography commenced in June 2018, in Montreal and Hudson, Quebec, Canada, and wrapped in August.

Pet Sematary premiered at South by Southwest on March 16, 2019, and was released in the United States on April 5, by Paramount Pictures. The film grossed over $113 million worldwide against a production budget of $20 million and received mixed reviews from critics.

A prequel, Pet Sematary: Bloodlines, premiered on October 6, 2023 on Paramount+.