Samoa competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.

Swimming

Samoa entered two swimmers.

Men AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankBrandon Schuster200 m individual medley2:06.9340did not advance400 m individual medley4:29.8432colspan=2 did not advance

Women AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankLushavel Stickland50 m freestyle26.7744did not advance100 m backstroke1:05.2248did not advance

References