Results for Japan in Javelin Throw, Men

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1928 Summer Olympics	Kosaku Sumiyoshi	13 r1/2
1932 Summer Olympics	Kosaku Sumiyoshi	8
	Saburo Nagao	10
1936 Summer Olympics	Noboru Ueno	=20 r1/2
	Saburo Nagao	DNS
1964 Summer Olympics	Takashi Miki	19 r1/2
	Hideta Kanai	22 r1/2
1984 Summer Olympics	Masami Yoshida	5
	Kazuhiro Mizoguchi	20 r1/2
1988 Summer Olympics	Kazuhiro Mizoguchi	19 r1/2
	Masami Yoshida	21 r1/2
1992 Summer Olympics	Masami Yoshida	23 r1/2
2004 Summer Olympics	Yukifumi Murakami	18 r1/2
2008 Summer Olympics	Yukifumi Murakami	15 r1/2
2012 Summer Olympics	Roderick Genki Dean	9
	Yukifumi Murakami	23 r1/2
2016 Summer Olympics	Ryohei Arai	11
2020 Summer Olympics	Takuto Kominami	19 r1/2
2024 Summer Olympics	Roderick Genki Dean	13 QR