Brunei competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.
Swimming
Brunei entered two swimmers.
Men AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankMuhammad Isa Ahmad50 m breaststroke30.2260did not advance100 m breaststroke1:06.5174did not advanceChristian Nikles50 m freestyle24.6986did not advance100 m freestyle55.3398did not advance
References