Japan at the 2014 Summer Youth Olympics
Japan competed at the 2014 Summer Youth Olympics, in Nanjing, China from 16 August to 28 August 2014.
Medalists
| Medal | Name | Sport | Event | Date |
| Hifumi Abe | Judo | Boys' 66 kg | 17 Aug | |
| Ippei Watanabe | Swimming | Boys' 200 m breaststroke | 20 Aug | |
| Minoru Onogawa | Athletics | Boys' 10 km walk | 24 Aug | |
| Nozomi Musembi Takamatsu | Athletics | Girls' 3,000 m | 24 Aug | |
| Kenya Yuasa | Gymnastics | Boys' Horizontal Bar | 24 Aug | |
| Mayu Mukaida | Wrestling | Girls' freestyle 52 kg | 26 Aug | |
| Yajyuro Yamasaki | Wrestling | Boys' freestyle 76 kg | 27 Aug | |
| Karin Miyawaki | Fencing | Girls' Foil | 17 Aug | |
| Yuto Muramatsu | Table tennis | Boys' singles | 20 Aug | |
| Rana Nakano | Gymnastics | Girls' trampoline | 21 Aug | |
| Akane Yamaguchi | Badminton | Girls' singles | 22 Aug | |
| Kenta Oshima | Athletics | Boys' 100 m | 23 Aug | |
| Yuji Hiramatsu | Athletics | Boys' high jump | 23 Aug | |
| Kenya Yuasa | Gymnastics | Boys' Floor | 23 Aug | |
| Miyu Kato Yuto Muramatsu | Table tennis | Mixed team | 23 Aug | |
| Toshihiro Suzuki | Boxing | Boys' 64 kg | 27 Aug | |
| Honoka Yamauchi | Judo | Girls' 44 kg | 17 Aug | |
| Sae Miyakawa | Gymnastics | Girls' vault | 23 Aug | |
| Ryotaro Matsumura Jumpei Yamasaki | Tennis | Boys' doubles | 23 Aug | |
| Nagisa Mori | Athletics | Girls' javelin throw | 25 Aug | |
| Subaru Murata | Boxing | Boys' 49 kg | 25 Aug |
Archery
Japan qualified a two archers from its performance at the 2013 World Archery Youth Championships.;Individual
;Team
Athletics
Japan qualified 13 athletes.Qualification Legend: Q=Final A ; qB=Final B ; qC=Final C ; qD=Final D ; qE=Final E
;Boys
;Track & road events
;Field Events
;Girls
;Track & road events
;Field events
Badminton
Japan qualified two athletes based on the 2 May 2014 BWF Junior World Rankings.;Singles
;Doubles
Boxing
Japan qualified three boxers based on its performance at the 2014 AIBA Youth World Championships;Boys
| Athlete | Event | Preliminaries | Semifinals | Final / | Rank |
| Athlete | Event | Opposition Result | Opposition Result | Opposition Result | Rank |
| Subaru Murata | -49 kg | L 1–2 | Bronze Medal Bout W 2–1 | ||
| Goh Hosaka | -60 kg | L 0–3 | Bronze Medal Bout L 0–3 | 4 | |
| Toshihiro Suzuki | -64 kg | W DISQ | L w/o |
Canoeing
Japan qualified one boat based on its performance at the 2013 World Junior Canoe Sprint and Slalom Championships.;Girls
Cycling
Japan qualified a boys' and girls' team based on its ranking issued by the UCI.;Team
;Mixed Relay
| Athletes | Event | Cross-Country Girls' Race | Cross-Country Boys' Race | Boys' Road Race | Girls' Road Race | Total Time | Rank |
| Takaho Nakashima Masaki Yamada Masahiro Ishigami Kiyoka Sakaguchi | Mixed Team Relay |
Equestrian
Japan qualified a rider.Fencing
Japan qualified three athletes based on its performance at the 2014 FIE Cadet World Championships.;Girls
;Mixed Team
| Athletes | Event | Round of 16 | Quarterfinals | Semifinals / | Final / | Rank |
| Athletes | Event | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Asia-Oceania 1 | Mixed Team | Europe 4 W 30–22 | Europe 2 W 30–29 | Europe 1 W |
Field Hockey
Japan qualified a girls' team based on its performance at the 2013 Under 16 Asian Cup.Girls' Tournament
;Roster- Yu Asai
- Chiko Fujibayashi
- Kimika Hoshi
- Mami Karino
- Motomi Kawamura
- Miki Kozuka
- Mori Kanon
- Eika Nakamura
- Moeka Tsubouchi
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;Quarterfinal
;Semifinal
;Bronze medal match
Golf
Japan qualified one team of two athletes based on the 8 June 2014 IGF Combined World Amateur Golf Rankings.;Individual
;Team
Gymnastics
Artistic Gymnastics
Japan qualified two athletes based on its performance at the 2014 Asian Artistic Gymnastics Championships.;Boys
;Girls
Rhythmic Gymnastics
Japan qualified one athlete based on its performance at the 2014 Asian Rhythmic Championships.;Individual
Trampoline
Japan qualified one athlete based on its performance at the 2014 Asian Trampoline Championships.Judo
Japan qualified two athletes based on its performance at the 2013 Cadet World Judo Championships.;Individual
;Team
| Athletes | Event | Round of 16 | Quarterfinals | Semifinals | Final | Rank |
| Athletes | Event | Opposition Result | Opposition Result | Opposition Result | Opposition Result | Rank |
| Team Xian | Mixed Team | W 7 – 0 | W 4 – 3 | L 3 – 4 | Did not advance |
Rowing
Japan qualified one boat based on its performance at the Asian Qualification Regatta.Qualification Legend: FA=Final A ; FB=Final B ; FC=Final C ; FD=Final D ; SA/B=Semifinals A/B; SC/D=Semifinals C/D; R=Repechage
Rugby Sevens
Japan qualified a boys' team based on its performance at the 2013 Rugby World Cup Sevens.Boys' Tournament
;Roster- Ryusuke Funahashi
- Shimin Kohara
- Toshiki Kuwayama
- Doga Maeda
- Eiya Miyazaki
- Kosuke Naka
- Shogo Nakano
- Yuhei Shimada
- Koki Takeyama
- Shun Tomonaga
- Kohei Toyoda
- Kazuki Yamada
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;Placing 5–6
Sailing
Japan qualified two boats based on its performance at the Techno 293 Asian Continental Qualifiers.Shooting
Japan was given a wild card to compete.;Individual
;Team
Swimming
Japan qualified eight swimmers.;Boys
;Girls
;Mixed
Table Tennis
Japan qualified a girl based on its performance at the 2014 World Qualification Event and a boy based on the Under-18 World Rankings.;Singles
| Athlete | Event | Group Stage | Rank | Round of 16 | Quarterfinals | Semifinals | Final / | Rank |
| Athlete | Event | Opposition Score | Rank | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Yuto Muramatsu | Boys | Group B W 3–0 | 1 Q | W 4–0 | W 4–1 | L 2–4 | ||
| Yuto Muramatsu | Boys | W 3–0 | 1 Q | W 4–0 | W 4–1 | L 2–4 | ||
| Yuto Muramatsu | Boys | W 3–0 | 1 Q | W 4–0 | W 4–1 | L 2–4 | ||
| Miyu Kato | Girls | W 3–0 | 1 Q | W 4–1 | W 4–1 | L 1–4 | L 2–4 | 4 |
| Miyu Kato | Girls | W 3–1 | 1 Q | W 4–1 | W 4–1 | L 1–4 | L 2–4 | 4 |
| Miyu Kato | Girls | W 3–0 | 1 Q | W 4–1 | W 4–1 | L 1–4 | L 2–4 | 4 |
;Team
| Athletes | Event | Group Stage | Rank | Round of 16 | Quarterfinals | Semifinals | Final / | Rank |
| Athletes | Event | Opposition Score | Rank | Opposition Score | Opposition Score | Opposition Score | Opposition Score | Rank |
| Japan | Mixed | India W 3–0 | 1 Q | Europe 2 W 2–0 | Hong Kong W | China L 0–2 | ||
| Japan | Mixed | Intercontinental 1 W | 1 Q | Europe 2 W 2–0 | Hong Kong W | China L 0–2 | ||
| Japan | Mixed | Africa 3 W 3–0 | 1 Q | Europe 2 W 2–0 | Hong Kong W | China L 0–2 |
Qualification Legend: Q=Main Bracket ; qB=Consolation Bracket
Tennis
Japan qualified two athletes based on the 9 June 2014 ITF World Junior Rankings.;Singles
;Doubles
Triathlon
Japan qualified two athletes based on its performance at the 2014 Asian Youth Olympic Games Qualifier.;Individual
| Athlete | Event | Swim | Trans 1 | Bike | Trans 2 | Run | Total Time | Rank |
| Koyo Yamasaki | Boys | 09:36 | 00:43 | 31:58 | 00:21 | 17:47 | 1:00:25 | 25 |
| Minami Kubono | Girls | 10:05 | 00:47 | 31:43 | 00:25 | 18:24 | 1:01:24 | 5 |
;Relay
| Athlete | Event | Total Times per Athlete ' | Total Group Time | Rank |
| Asia 2 | Mixed Relay | 0:23:09 0:22:16 0:24:25 0:21:00 | 01:30:50 | 13 |
| Asia 1''' | Mixed Relay | 0:21:43 0:20:06 0:23:10 0:21:41 | 1:26:40 | 8 |
Wrestling
Japan qualified two athletes based on its performance at the 2014 Asian Cadet Championships.;Boys
;Girls