Northern Mariana Islands at the 2019 World Aquatics Championships

The Northern Mariana Islands competed at the 2019 World Aquatics Championships in Gwangju, South Korea from 12 to 28 July.

Northern Mariana Islands at the 2019 World Aquatics Championships
Flag of the Northern Mariana Islands
World Aquatics code	NMI
National federation	Northern Mariana Islands Swimming Federation
in Gwangju, South Korea
Competitors	4 in 1 sport
Medals	Gold 0 Silver 0 Bronze 0 Total 0
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

Northern Mariana Islands entered four swimmers.^[1]

Men

Athlete	Event	Heat		Semifinal		Final
		Time	Rank	Time	Rank	Time	Rank
Lennosuke Suzuki	100 m freestyle	57.83	107	did not advance
	100 m breaststroke	1:20.97	86	did not advance
Juhn Tenorio	50 m backstroke	29.42	63	did not advance
	100 m backstroke	1:04.91	61	did not advance

Women

Athlete	Event	Heat		Semifinal		Final
		Time	Rank	Time	Rank	Time	Rank
Jin Ju Thompson	100 m freestyle	1:10.31	87	did not advance
	200 m freestyle	2:32.35	60	did not advance
Aika Watanabe	50 m backstroke	35.04	42	did not advance
	50 m butterfly	33.43	59	did not advance

Mixed

Athlete	Event	Heat		Final
		Time	Rank	Time	Rank
Juhn Tenorio Lennosuke Suzuki Aika Watanabe Jin Ju Thompson	4×100 m medley relay	4:56.20	35	did not advance