Results for Republic of Korea in 400 metres Freestyle, Men

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1964 Summer Olympics	Kim Bong-Jo	47
1972 Summer Olympics	Jo Oh-Ryeon	35
1988 Summer Olympics	Yang Gam	39
	Gwon Sun-Geun	42
1992 Summer Olympics	Bang Seung-Hun	32
1996 Summer Olympics	U Cheol	30
2000 Summer Olympics	U Cheol	27
2004 Summer Olympics	Park Tae-Hwan	DQ
2008 Summer Olympics	Park Tae-Hwan	1	Gold
2012 Summer Olympics	Park Tae-Hwan	2	Silver
2016 Summer Olympics	Park Tae-Hwan	10
2020 Summer Olympics	Lee Ho-Jun	26
2024 Summer Olympics	Kim U-Min	3	Bronze