The eleventh season of the American television medical drama Grey's Anatomy premiered on September 25, 2014, in the United States on the American Broadcasting Company (ABC) and consists of 25 episodes. The season was produced by ABC Studios, in association with Shondaland Production Company and The Mark Gordon Company; the showrunners being Stacy McKee and William Harper. The season commenced airing with the episode "I Must Have Lost It On The Wind" and concluded with the season finale "You're My Home" airing on May 14, 2015. The season was officially released on DVD as a 6-disc boxset under the title of Grey's Anatomy: The Complete Eleventh Season – Life Changes on August 18, 2015, by Buena Vista Home Entertainment.

Grey's Anatomy is an American medical drama television series focusing on the personal and professional lives of surgical interns, residents, and attendings at the fictional Seattle Grace Hospital, later named the Grey Sloan Memorial Hospital. The series premiered on March 27, 2005, on ABC as a mid-season replacement. The show's title is an allusion to Gray's Anatomy, a classic human anatomy textbook. Writer Shonda Rhimes developed the pilot and served as showrunner, head writer, and executive producer until stepping down in 2015. Set in Seattle, Washington, the series is filmed primarily in Los Angeles, California, and Vancouver, British Columbia.