Eternal Blood (originally Sangre Eterna) is a 2002 Chilean vampire-horror film directed by Jorge Olguín, written by Carolina García and Olguín, and starring Blanca Lewin, Juan Pablo Ogalde, Patricia López, and Claudio Espinoza. A group of vampire enthusiasts become convinced that their subculture has been infiltrated by real vampires.

M introduces Carmila, a journalism student, to the world of Goth subculture and live action role-playing. As Carmila becomes more involved, M becomes increasingly concerned about her safety. Eventually, M becomes convinced that real vampires have infiltrated the subculture and are feeding on its enthusiasts. M becomes determined to stop the vampires, believing they are led by a man named Dahmer, although others begin to question his sanity.

• Blanca Lewin as Carmila
• Juan Pablo Ogalde as M
• Pascale Litvak as Pancha
• Patricia López as Elizabeth
• Claudio Espinoza as Martin
• Carlos Borquez as Dahmer

The model Ximena Huilipán has a non-speaking role. She was cast after director Jorge Olguín spotted her in a parade.^[2]

Under its original name of Sangre Eterna, it premiered in Chile on October 31, 2002.^[1] Variety wrote that it became a cult film and one of the highest grossing Latin American horror films.^[3] Screen Daily described it as "the biggest box office hit in the history of Chilean cinema."^[4] After the Chilean premiere, it played in Latin American and European film festivals, and a DVD was released in Chile in March 2003.^[5] Fangoria Films released it in the United States as Eternal Blood.^[6]

The film opened to critical acclaim in Chile.^[4] Mike Long of DVD Talk rated it 2.5/5 stars wrote that "the first 40 minutes ... are riveting", but "the movie goes from clever and interesting to slow and boring."^[7] Beyond Hollywood wrote that the film is creative but lacks originality.^[8]