Vietnam 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. SportMenWomenTotalSwimming 3 1 4Total 3 1 4

Swimming

Vietnam entered 4 swimmers.

Men AthleteEventHeatSemi-finalFinalTimeRankTimeRankTimeRank Nguyễn Quang Thuấn400 m individual medley4:23.9925colspan=2 Did not advance Nguyễn Huy Hoàng1500 m freestyle15:19.3914colspan=2 Did not advance Phạm Thanh Bảo200 m breaststroke2:15.7327Did not advance

Women AthleteEventHeatSemi-finalFinalTimeRankTimeRankTimeRank Võ Thị Mỹ Tiên200 m individual medley2:16.9630Did not advance

References