Frontier(s) (French: Frontière(s)) is a 2007 French-Swiss independent horror film written and directed by Xavier Gens in his feature length debut and stars Karina Testa, Aurélien Wiik, Estelle Lefébure, and Samuel Le Bihan. It follows a group of young criminals from Paris who lodge at a countryside inn run by neo-Nazis in the aftermath of riots spurred by a controversial presidential election.

After its premiere in France at the Agde Film Festival in 2007, the film was given a limited release with an NC-17 rating in the United States on May 9, 2008, as part of the After Dark Horrorfest.