Hemlock Grove is an American horror television series produced by Eli Roth and developed by Brian McGreevy and Lee Shipman. It is a production of Gaumont International Television. The series is based on McGreevy's 2012 novel of the same name. The series premiered on Netflix on April 19, 2013, with all 13 episodes made immediately available for online viewing.

The show examines the strange happenings in Hemlock Grove, a fictional town in Pennsylvania. Roman Godfrey, heir to the town's wealthy Godfrey family, befriends the town's newcomer, Peter Rumancek. Recent brutal murders in the town have stirred up rumors, and the two work together to shed light on the case while also hiding their own dark secrets.

On June 19, 2013, Netflix renewed Hemlock Grove for a second season of 10 episodes, to air in 2014. On July 18, 2013, Netflix earned the first Primetime Emmy Award nominations for original online-only streaming television at the 65th Primetime Emmy Awards in 2013. Three of its online original series—Arrested Development, Hemlock Grove, and House of Cards—earned nominations.

The second season premiered on July 11, 2014. On September 2, 2014, Netflix renewed it for a third and final 10-episode season, which premiered on October 23, 2015.

Netflix announced on September 21, 2022 that all three seasons of Hemlock Grove will be removed from the service on October 22, 2022.

In November 2022, it was announced that FilmRise had acquired the streaming rights to the series.