Luxembourg is competing at the 2025 World Aquatics Championships in Singapore from 11 July to 3 August 2025.

Competitors The following is the list of competitors in the Championships. SportMenWomenTotalSwimming 4 0 4Total 4 0 4

Swimming

Men AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankJoao Carneiro50 m breaststroke28.5753Did not advance100 m breaststroke1:02.3844Did not advanceRalph Daleiden Ciuferri100 m freestyle49.0833Did not advance200 m freestyle1:47.74 NR25Did not advanceRemi Fabiani50 m freestyle22.4240Did not advance50 m backstroke26.0247Did not advance100 m backstroke56.3942Did not advanceJulien Henx50 m butterfly24.1242Did not advance100 m butterfly55.5755Did not advanceJoao CarneiroRalph Daleiden CiuferriRemi FabianiJulien Henx4 × 100 m freestyle relay3:21.3920colspan=2 Did not advance4 × 100 m medley relay3:40.99 NR22colspan=2 Did not advance

References