The 1991 Midland Group Championships was a women's tennis tournament played on indoor carpet courts at the Brighton Centre in Brighton, England that was part of the Tier II of the 1991 WTA Tour. It was the 14th edition of the tournament and was held from 22 October until 27 October 1991. First-seeded Steffi Graf won the singles title, her fourth consecutive at the event and fifth in total, and earned $70,000 first-prize money.[1]