South Korea competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.The country participated in all six disciplines: swimming, diving, high diving, open water swimming, artistic swimming, and water polo.
South Korea entered 11 artistic swimmers.
<small> Legend: (R) = Reserve Athlete</small>
South Korea entered 8 divers.
Men
Women
South Korea qualified four male and four female open water swimmers.
South Korea entered 29 swimmers.