See main article: 1991 Arizona Classic.
Elise Burgin and Helen Kelesi were the defending champions, but Kelesi did not compete this year. Burgin teamed up with Carrie Cunningham and lost in the first round to Isabelle Demongeot and Patty Fendick.
Peanut Harper and Cammy MacGregor won the title by defeating Sandy Collins and Elna Reinach 7–5, 3–6, 6–3 in the final.[1]