The Final Girl Support Group is a horror-themed mystery novel by American writer Grady Hendrix, published July 13, 2021 by Berkley Books.

When Adrienne is found murdered in her home, Lynnette is certain that someone is out to finish the work that their respective killers failed at: to kill all of the final girls once and for all.

He completed a first draft of the novel in 2014, but was unable to sell the manuscript due to Riley Sager announcing that he would be penning the novel Final Girls.

"[11] Adaptation rights were optioned prior to the book's release date by Annapurna Pictures, with the intention to turn the novel into a television series.

Per Deadline, Elizabeth Craft and Sarah Fain will serve as screenwriters while Grady Hendrix will executive produce with Megan Ellison, Sue Naegle, Patrick Chu, and Adam Goldworm.