Beg to Differ is the second studio album by American heavy metal band Prong, released in 1990 through Epic Records. The album includes one live track recorded at CBGB's in New York City in 1989. Brian "Pushead" Schroeder did the design and cover artwork for the album. Part of the song "Lost and Found" was used for commercial breaks of MTV's Headbangers Ball in the early 1990s.

Prong is an American heavy metal band formed in New York City in 1986. The band is fronted by guitarist/vocalist Tommy Victor, Prong's sole constant member. To date, they have released 13 studio albums, one live album, four EPs, one DVD and one remix album.