Devil's Got a New Disguise: The Very Best of Aerosmith is a compilation album by American hard rock band Aerosmith released on October 17, 2006. It has sold more than 265,048 copies in the U.S. as of May 2008.

O, Yeah! Ultimate Aerosmith Hits is a greatest hits album by American hard rock band Aerosmith, released in 2002 by Columbia Records and Geffen Records. A double-disc album, it includes 27 of the band's biggest hits in chronological order and spans the band's entire career up to 2002. Also included are a guest appearance on Run-DMC's cover of "Walk This Way" and two new songs, "Girls of Summer" and "Lay It Down", which the band recorded in Hawaii.