Avenged Sevenfold is the fourth studio album by Avenged Sevenfold, released on October 26, 2007 by Warner Bros. Records. The album, originally slated for an October 16 release, was delayed by two weeks in order to provide more time to complete bonus material and production for the record, including the making of the animated music video for the song "A Little Piece of Heaven". The album debuted at number 4 on the Billboard 200. On September 23, 2008, the album was certified Gold by the RIAA. The album has also been released on vinyl. The band supported the album with a tour, beginning a day before the release of the album and ending in 2009.

Avenged Sevenfold is the last full-length studio album produced by the band before The Rev's death which occurred on December 28, 2009, just two weeks before the band was to commence recording their follow-up album Nightmare. His vocals are recorded in all of the songs on the album.

Although critical reception to the album was mixed compared to previous releases, Avenged Sevenfold won the Kerrang! award for Best Album in 2008. In addition, the album was included in Kerrang's "666 Albums You Must Hear Before You Die.