Japan first competed in the IOL in 2012, and has competed in 11 olympiads. They most recently competed in 2023. They have sent 76 participants in 20 teams.

In competition, teams from Japan have brought home 19 medals (6 gold, 4 silver and 9 bronze), 2 trophies (1 silver and 1 bronze), 5 best-solution prizes and 18 honorable mentions.

In addition, Japan has sent 2 Repeat Medalists to the Hall of Fame.

Team Japan is chosen through JOL, Japan Linguistics Olympiad (日本言語学オリンピック).

Individual Contest Medalists

Year Medal Name Team
2023 Gold Ryusei Omiya Japan Samurai
2022 Gold Takamichi Hoshii Japan Samurai
2022 Gold Seiko Ishii Japan Ninja
2021 Gold Hibiki Sugawara Japan Samurai
2021 Gold Takamichi Hoshii Japan Ninja
2019 Gold Takumi Yoshino Japan Ninja
2023 Silver Rei Kano Japan Samurai
2021 Silver Rio Ogawa Japan Samurai
2017 Silver Takumi Yoshino Japan 2
2014 Silver Keisuke Yamada Japan 2
2023 Bronze Hiroto Yasui Japan Ninja
2023 Bronze Satoshi Tsukada Japan Ninja
2022 Bronze Ikoma Kudo Japan Samurai
2019 Bronze Takumi Ose Japan Ninja
2019 Bronze Tsubasa Takahashi Japan Ninja
2018 Bronze Takumi Nishino Japan Ninja
2017 Bronze Yuito Yoneyama Japan 1
2016 Bronze Tsuyoshi Kobayashi Japan Samurai
2015 Bronze Naoki Nishiyama Japan Ninja

Honorable Mentions

Year Award Name Team
2023 HM Tokai Miyaji Japan Samurai
2023 HM Yuzuki Sugiura Japan Ninja
2023 HM Ruka Seishi Japan Ninja
2022 HM Yuma Kawano Japan Ninja
2022 HM Reona Kubomiya Japan Ninja
2022 HM Yuma Morisawa Japan Samurai
2021 HM Junnosuke Tanaka Japan Ninja
2021 HM Tatsuki Morohoshi Japan Ninja
2019 HM Reona Kubomiya Japan Samurai
2018 HM Takayuki Yamazaki Japan Ninja
2017 HM Ryuhoh Ide Japan 1
2017 HM Junnosuke Kajita Japan 2
2016 HM Yuto Yagi Japan Ninja
2016 HM Hirotaka Sato Japan Samurai
2015 HM Yuto Yagi Japan Ninja
2015 HM Sato Hirotaka Japan Ninja
2014 HM Nishiyama Naoki Japan 1
2012 HM Yutaro Yamada Japan

Individual Contest Team Average Scores

Year Place Team
1st Place
1st Place
2022 3rd Place Japan Samurai

Team Contest Trophies

Year Trophy Team
2022 Silver Japan Samurai
2022 Bronze Japan Ninja