Laos competed at the 2011 World Aquatics Championships in Shanghai, China between July 16 and 31, 2011.
Swimming
Laos qualified 2 swimmers.
Men AthleteEventHeatsSemifinalsFinalTimeRankTimeRankTimeRankPhathana InthavongMen's 50m Freestyle28.94101did not advanceMen's 50m Backstroke35.3037did not advance
Women AthleteEventHeatsSemifinalsFinalTimeRankTimeRankTimeRank Vilayphone VongphachanhWomen's 50m Freestyle35.9979did not advanceWomen's 50m Breaststroke46.3732did not advance
References