The women's 4 x 100 metre medley relay at the 2013 IPC Swimming World Championships was held at the Parc Jean Drapeau Aquatic Complex in Montreal from 12–18 August.

Medalists PointsGoldSilverBronze34 pointsStephanie Millward S9Claire Cashmore SB8Stephanie Slater S8Amy Marren S9Nina Ryabova S10Olesya Vladykina SB8Irina Grazhdanova S9Oxana Guseva S7Lu Dong S6Zhang Meng SB9Jiang Shengnan S8Lin Ping S9

See also List of IPC world records in swimming

References