Serbia competed at the 2025 World Aquatics Championships in Singapore from July 11 to August 3, 2025.

Competitors The following is the list of competitors in the Championships. SportMenWomenTotalDiving 1 0 0Swimming 5 0 5Water polo 15 0 15Total 21 0 21

Diving

Men AthleteEventPreliminariesSemifinalsFinalPointsRankPointsRankPointsRankAleksa Teofilović10 m platform307.0539Did not advance

Swimming

Serbia entered 5 swimmers.

Men AthleteEventHeatSemi-finalFinalTimeRankTimeRankTimeRank Nikola Aćin50 m backstroke25.24 NR32Did not advance Andrej Barna50 m freestyle21.44 NR1 Q21.453 Q21.606 Luka Jovanović100 m butterfly54.8452Did not advance Velimir Stjepanović100 m freestyle48.8327Did not advance200 m freestyle1:48.0428Did not advanceNikola AćinVelimir Stjepanović Luka Jovanović Justin Cvetkov freestyle relay 3:14.11 15 colspan="2" Did not advance

Water polo

Summary TeamEventGroup stagePlayoffQuarterfinalSemi-finalFinal / OppositionScoreOppositionScoreOppositionScoreRankOppositionScoreOppositionScoreOppositionScoreOppositionScoreRankMen's tournament W 27–3 L 16–17 W 19–9 2 P/Off W 21–14 W 14–9 L 18–19 L 7–16 4 Men's tournament

Team roster

Group play

Playoffs

Quarterfinals

Semifinals

Third place game

References