Japan competed at the 2020 Winter Youth Olympics in Lausanne, Switzerland from 9 to 22 January 2020.
Medalists
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Medalists in mixed NOCs events
Alpine skiing
Boys
Girls
Mixed
Biathlon
Boys
Girls
Mixed
Cross-country skiing
Girls
Curling
Japan qualified a mixed team of four athletes.
Mixed team
Mixed doubles
Figure skating
Two Japanese figure skaters achieved quota places for Japan based on the results of the 2019 World Junior Figure Skating Championships.
Singles
Couples
Mixed NOC team trophy
Freestyle skiing
Slopestyle & Big Air
Ice hockey
Girls' tournament
Summary
Team roster
Yuko Chujo
Yuzuyu Fujii
Nao Fukuda
Komomo Ito
Makoto Ito
Minami Kamada
Kaaya Komoto
Nagomi Murakami
Rio Noro
Riri Noro
Reina Sato
Hina Shimomukai
An Shinoda
Himari Suzuki
Masaki Tanabe
Kyoka Tsutsumi
Harua Umemori
Mixed NOC 3x3 tournament
Boys
Gosei Daikuhara
Issa Otsuka
Wataru Suzuki
Tomoyoshi Yuki
Girls
Sena Hasegawa
Ruka Kiyokawa
Yuna Kusama
Riko Matsumoto
Reina Sato
Luge
Girls
Nordic combined
Individual
Short track speed skating
Three Japanese skaters achieved quota places for Japan based on the results of the 2019 World Junior Short Track Speed Skating Championships.
Boys
Girls
Skeleton
Ski jumping
Boys
Girls
Snowboarding
Snowboard cross
Halfpipe, Slopestyle, & Big Air
Speed skating
Four Japanese skaters achieved quota places for Japan based on the results of the 2019 World Junior Speed Skating Championships.