Blockers is a 2018 American sex comedy film directed by Kay Cannon in her directorial debut, and written by Brian and Jim Kehoe, and starring John Cena, Leslie Mann, and Ike Barinholtz with supporting roles by Kathryn Newton, Geraldine Viswanathan, Gideon Adlon, Graham Phillips, Miles Robbins, Jimmy Bellinger, Colton Dunn, Sarayu Blue, Gary Cole, Gina Gershon, June Diane Raphael, and Hannibal Buress. It tells the story of a trio of parents who try to stop their respective daughters from losing their virginity on prom night. The title of the film is a reference to the act of "cockblocking", with marketing materials displaying a rooster (also known as a cock) above the title.

The film premiered at South by Southwest on March 10, 2018, and was theatrically released in the United States on April 6, 2018, by Universal Pictures. It grossed $94 million worldwide and received generally positive reviews from critics, with praise for its "humor and performances", as well as for "intelligence and empathy" not often found in the genre.