Brunei competed at the 2017 World Aquatics Championships in Budapest, Hungary from 14 to 30 July.
Swimming
Brunei had received a Universality invitation from FINA to send two male swimmers to the World Championships.
AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankMuis AhmadMen's 50 m breaststroke30.7364did not advanceMen's 100 m breaststroke1:08.1066did not advanceChristian NiklesMen's 50 m freestyle24.7193did not advanceMen's 100 m freestyle55.0585did not advance
References