Six Feet Under is an American drama television series created and produced by Alan Ball. It premiered on the premium network HBO in the United States on June 3, 2001, and ended on August 21, 2005, spanning 63 episodes across five seasons. It depicts the lives of the Fisher family, who run a funeral home in Los Angeles, along with their friends and lovers.

The ensemble drama stars Peter Krause, Michael C. Hall, Frances Conroy, Lauren Ambrose, Freddy Rodriguez, Mathew St. Patrick, and Rachel Griffiths as the central characters. It was produced by Actual Size Films and The Greenblatt/Janollari Studio, and was shot on location in Los Angeles and in Hollywood studios.

Six Feet Under received widespread critical acclaim, particularly for its writing and acting, and consistently drew high ratings for the HBO network. It is widely regarded as one of the greatest television series of all time. The show's finale has also been described as one of the greatest television series finales. The series won numerous awards, including nine Emmy Awards, three Screen Actors Guild Awards, three Golden Globe Awards, and a Peabody Award.