Laos competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.
Swimming
Laos entered three swimmers.
Men AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankSantisouk Inthavong50 m freestyle25.79109did not advance50 m backstroke30.7567did not advanceSlava Sihanouvong50 m breaststroke32.1164did not advance50 m butterfly30.4088did not advance
Women AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankSiri Arun Budcharern50 m freestyle31.3288did not advance50 m breaststroke40.7248did not advance
References