Nicaragua competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.
Swimming
Nicaragua entered three swimmers.
Men AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankEisner Barberena50 m backstroke28.2559did not advance100 m backstroke1:00.5657did not advanceMiguel Mena50 m freestyle24.1978did not advance100 m freestyle52.2075did not advance
Women AthleteEventHeatSemifinalFinalTimeRankTimeRankTimeRankMaria Schutzmeier100 m freestyle59.08=51did not advance50 m butterfly28.3440did not advance
References