The Terror is an American supernatural horror drama anthology television series developed for AMC. The series is named after Dan Simmons's 2007 novel, which serves as the basis for the first season. It premiered on March 25, 2018, with a second season, subtitled Infamy, premiering on August 12, 2019. In February 2024, the series was renewed for a third season, subtitled Devil in Silver, based on the novel of the same name by Victor LaValle and is set to premiere in 2025.

The Terror is a 2007 novel by American author Dan Simmons. It is a fictionalized account of Captain Sir John Franklin's lost expedition, on HMS Erebus and HMS Terror, to the Arctic, in 1845–1848, to locate the Northwest Passage. In the novel, while Franklin and his crew are plagued by starvation and illness, and forced to contend with mutiny and cannibalism, they are stalked across the bleak Arctic landscape by a monster.