The 1981 Daihatsu Challenge was a women's singles tennis tournament played on indoor carpet courts at the Brighton Centre in Brighton in England. The event was part of the Category 4[a] tier of the 1981 Toyota Series. It was the fourth edition of the tournament and was held from 19 October through 25 October 1981. Seventh-seeded Sue Barker won the singles title and earned $22,000 first-prize money.[2][1]