FMW 2nd Anniversary Show: Fall Spectacular (1991) was a professional wrestling event produced by Frontier Martial-Arts Wrestling (FMW). The event took place on September 23, 1991 at the Kawasaki Stadium in Kawasaki, Kanagawa, Japan. This was FMW's first show at the venue and it would become a venue for FMW's future major events. This was the second edition of the company's flagship event Anniversary Show, commemorating the second anniversary of the company.