Results for Japan in 100 metres, Men

Olympic and Intercalated results only.

Games	Athlete/Team	Placement
1912 Summer Olympics	Yahiko Mishima	AC h16 r1/3
1920 Summer Olympics	Shinichi Yamaoka	4 h8 r1/4
	Ichiro Kaga	5 h1 r1/4
1924 Summer Olympics	Sasago Tani	3 h14 r1/4
1928 Summer Olympics	Iwao Aizawa	4 h6 r1/4
1932 Summer Olympics	Takayoshi Yoshioka	6
	Izuo Anno	5 h4 r2/4
	Kichizo Sasaki	DNS
1936 Summer Olympics	Takayoshi Yoshioka	4 h2 r2/4
	Bunta Suzuki	4 h4 r2/4
	Kichizo Sasaki	6 h3 r2/4
1952 Summer Olympics	Tomio Hosoda	4 h4 r2/4
	Masaji Tajima	6 h2 r1/4
1956 Summer Olympics	Kyohei Ushio	3 h4 r1/4
	Akira Kiyofuji	4 h8 r1/4
1964 Summer Olympics	Hideo Iijima	7 h2 r3/4
	Masaru Kamata	6 h4 r1/4
1968 Summer Olympics	Hideo Iijima	8 h1 r3/4
1976 Summer Olympics	Masahide Jinno	6 h6 r1/4
1984 Summer Olympics	Hiroki Fuwa	6 h3 r2/4
1988 Summer Olympics	Koji Kurihara	6 h5 r2/4
	Takahiko Kasahara	5 h10 r1/4
	Tomohiro Osawa	6 h12 r1/4
1992 Summer Olympics	Satoru Inoue	5 h3 r2/4
	Shinji Aoto	7 h4 r2/4
	Tatsuo Sugimoto	4 h9 r1/4
1996 Summer Olympics	Nobuharu Asahara	5 h1 r3/4
	Hiroyasu Tsuchie	5 h5 r1/4
2000 Summer Olympics	Koji Ito	7 h1 r3/4
	Shingo Kawabata	8 h1 r2/4
	Shigeyuki Kojima	6 h9 r1/4
2004 Summer Olympics	Nobuharu Asahara	4 h3 r2/4
	Shingo Suetsugu	5 h1 r2/4
	Hiroyasu Tsuchie	5 h5 r1/4
2008 Summer Olympics	Naoki Tsukahara	7 h2 r3/4
	Nobuharu Asahara	8 h3 r2/4
2012 Summer Olympics	Ryota Yamagata	5 h3 r3/4
	Masashi Eriguchi	6 h2 r2/4
2016 Summer Olympics	Ryota Yamagata	5 h2 r3/4
	Aska Cambridge	7 h3 r3/4
	Yoshihide Kiryu	4 h7 r2/4
2020 Summer Olympics	Ryota Yamagata	4 h3 r2/4
	Yuki Koike	4 h4 r2/4
	Shuhei Tada	6 h1 r2/4
2024 Summer Olympics	Abdul Hakim Sani Brown	4h3 r3/4
	Akihiro Higashida	5h1 r2/4
	Ryuichiro Sakai	5h7 r2/4