Opie & Anthony's Demented World is a compilation album by American radio personalities Gregg "Opie" Hughes and Anthony Cumia, released in October 1997 on Restaurant Records.

It features live and pre-recorded segments from their radio show Opie and Anthony when it aired in afternoons on WAAF-FM in Boston, Massachusetts from 1995 to 1998.

[2] The album was released on Restaurant Records, an independent label based in New Jersey.

[3] By December 1997, the album had sold over 20,000 copies regionally and saw a national release.

[7] Hughes and Cumia had started work on a follow-up album tentatively named Cringe, but it was never released.