The 1991 Pilkington Glass Championships was a women's tennis tournament played on grass courts at the Devonshire Park Lawn Tennis Club in Eastbourne in the United Kingdom that was part of Tier II of the 1991 WTA Tour.

The tournament was held from 17 June until 22 June 1991.

Martina Navratilova defeated Arantxa Sánchez Vicario 6–4, 6–4 Larisa Savchenko-Neiland / Natalia Zvereva defeated Gigi Fernández / Jana Novotná 2–6, 6–4, 6–4