6 Years is a 2015 American romantic drama film written and directed by Hannah Fidell and starring Taissa Farmiga, Ben Rosenfield, Lindsay Burdge, Joshua Leonard, Peter Vack, and Dana Wheeler-Nicholson. Filmmakers Mark and Jay Duplass served as executive producers under their Duplass Brothers Productions banner. The film depicts two weeks in the relationship of college students Melanie Clark and Dan Mercer, as their 6-year romance turns violent.

The film had its world premiere at the South by Southwest Film Festival on March 14, 2015, and its European premiere at the Champs-Élysées Film Festival on June 13, 2015. 6 Years was released on video on demand platforms on August 18, 2015, by The Orchard, and was made available worldwide on Netflix on September 8, 2015.