Laos at the 2019 World Aquatics Championships

Laos competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.

Laos at the 2019 World Aquatics Championships
Flag of Laos
World Aquatics code	LAO
National federation	Laos Swimming Federation
World Aquatics Championships appearances
1973 1975 1978 1982 1986 1991 1994 1998 2001 2003 2005 2007 2009 2011 2013 2015 2017 2019 2022 2023 2024 2025

Swimming

Main article: Swimming at the 2019 World Aquatics Championships

Laos entered three swimmers.^[1]

Men

Athlete	Event	Heat		Semifinal		Final
		Time	Rank	Time	Rank	Time	Rank
Santisouk Inthavong	50 m freestyle	25.79	109	did not advance
	50 m backstroke	30.75	67	did not advance
Slava Sihanouvong	50 m breaststroke	32.11	64	did not advance
	50 m butterfly	30.40	88	did not advance

Women

Athlete	Event	Heat		Semifinal		Final
		Time	Rank	Time	Rank	Time	Rank
Siri Arun Budcharern	50 m freestyle	31.32	88	did not advance
	50 m breaststroke	40.72	48	did not advance