Swimming was contested at the 2021 Summer Universiade from 1 to 7 August 2023 at the Dong'an Lake Sports Park Aquatics Centre, in Chengdu.

[1][2] *   Host nation (China)a Swimmers who participated in the heats only and received medals.

a Swimmers who participated in the heats only and received medals.

a Swimmers who participated in the heats only and received medals.

465 swimmers from 55 nations:[3][4][5]