September 3:
Artist: Naughty by Nature
Album: Naughty by Nature
Label: Tommy Boy Records
Release Date: September 3, 1991
August 12:
Artist: Metallica
Album: Metallica
Label: Elektra Records
Release Date: August 12, 1991
July 9:
Artist: Various Artists
Album: Boyz n the Hood (Music From the Motion Picture)
Label: Qwest Records, Warner Bros.
Release Date: July 9, 1991
July 2:
Artist: Tom Petty and the Heartbreakers
Album: Into the Great Wide Open
Label: MCA Records
Release Date: July 2, 1991