Japan at the 2018 Winter Olympics
competed at the 2018 Winter Olympics in Pyeongchang, South Korea, from 9 to 25 February 2018, with 124 competitors in 13 sports. They won 13 medals in total, four gold, five silver and four bronze, ranking 11th in the medal table. Six medals of those were won in the speed skating events.
Ski jumper Noriaki Kasai was chosen to be the flag bearer during the opening ceremony. On 9 February 2018, on the opening day of the Games, he became the first athlete in history to participate in 8 different Winter Olympics. The previous record was from the Russian luger Albert Demchenko, with 7 participations.
Medalists
| Medal | Name | Sport | Event | Date |
| Figure skating | Men's singles | |||
| Speed skating | Women's 500 metres | |||
| Speed skating | Women's team pursuit | |||
| Speed skating | Women's mass start | |||
| Speed skating | Women's 1500 metres | |||
| Nordic combined | Individual normal hill/10 km | |||
| Snowboarding | Men's halfpipe | |||
| Speed skating | Women's 1000 metres | |||
| Figure skating | Men's singles | |||
| Freestyle skiing | Men's moguls | |||
| Ski jumping | Women's normal hill individual | |||
| Speed skating | Women's 1000 metres | |||
| Curling | Women's curling |
Competitors
The following is the list of the number of competitors participating at the Games per sport/discipline.| Sport | Men | Women | Total |
| Alpine skiing | 2 | 2 | 4 |
| Biathlon | 1 | 5 | 6 |
| Cross-country skiing | 1 | 1 | 2 |
| Curling | 5 | 5 | 10 |
| Figure skating | 5 | 4 | 9 |
| Freestyle skiing | 6 | 5 | 11 |
| Ice hockey | 0 | 23 | 23 |
| Nordic combined | 5 | 0 | 5 |
| Short track speed skating | 5 | 5 | 10 |
| Skeleton | 2 | 1 | 3 |
| Ski jumping | 5 | 4 | 9 |
| Snowboarding | 7 | 9 | 16 |
| Speed skating | 8 | 8 | 16 |
| Total | 52 | 72 | 124 |
Alpine skiing
Biathlon
Based on their Nations Cup ranking in the 2016–17 Biathlon World Cup, Japan has qualified 1 man and 5 women.| Athlete | Event | Time | Misses | Rank |
| Mikito Tachizaki | Men's sprint | 27:27.1 | 3 | 84 |
| Mikito Tachizaki | Men's individual | 54:11.5 | 3 | 64 |
| Sari Furuya | Women's sprint | 23:21.5 | 2 | 49 |
| Sari Furuya | Women's pursuit | 37:02.1 | 5 | 54 |
| Sari Furuya | Women's individual | 53:11.0 | 9 | 85 |
| Asuka Hachisuka | Women's individual | 50:30.2 | 4 | 81 |
| Rina Mitsuhashi | Women's sprint | 25:53.1 | 5 | 85 |
| Fuyuko Tachizaki | Women's sprint | 23:19.7 | 1 | 42 |
| Fuyuko Tachizaki | Women's pursuit | 37:07.9 | 7 | 56 |
| Fuyuko Tachizaki | Women's individual | 50:06.9 | 7 | 76 |
| Yurie Tanaka | Women's sprint | 24:21.6 | 2 | 68 |
| Yurie Tanaka | Women's individual | 50:28.0 | 5 | 80 |
| Sari Furuya Rina Mitsuhashi Fuyuko Tachizaki Yurie Tanaka | Women's team relay | 1:15:47.7 | 11 | 17 |
Cross-country skiing
Curling
Japan has qualified their men's and women's team, by finishing in the top seven teams in Olympic Qualification points.;Summary
Men's tournament
;Round-robinJapan has a bye in draws 1, 4 and 9.
;Draw 2
Wednesday, 14 February, 20:05
;Draw 3
Thursday, 15 February, 14:05
;Draw 5
Friday, 16 February, 20:05
;Draw 6
Saturday, 17 February, 14:05
;Draw 7
Sunday, 18 February, 09:05
;Draw 8
Sunday, 18 February, 20:05
;Draw 10
Tuesday, 20 February, 09:05
;Draw 11
Tuesday, 20 February, 20:05
;Draw 12
Wednesday, 21 February, 14:05
Women's tournament
;Round-robinJapan has a bye in draws 4, 7 and 11.
;Draw 1
Wednesday, 14 February, 14:05
;Draw 2
Thursday, 15 February, 09:05
;Draw 3
Thursday, 15 February, 20:05
;Draw 5
Saturday, 17 February, 09:05
;Draw 6
Saturday, 17 February, 20:05
;Draw 8
Monday, 19 February, 09:05
;Draw 9
Monday, 19 February, 20:05
;Draw 10
Tuesday, 20 February, 14:05
;Draw 12
Wednesday, 21 February, 20:05
;Semifinal
Friday, 23 February, 20:05
;Bronze Medal Game
Saturday, 24 February, 20:05
Figure skating
Team eventFreestyle skiing
;Aerials;Halfpipe
;Moguls
;Ski cross
Qualification legend: FA – Qualify to medal round; FB – Qualify to consolation round
;Slopestyle
Ice hockey
;SummaryWomen's tournament
qualified by winning the final qualification tournament in Tomakomai, Japan.;Team roster
- Women's team event – 1 team of 23 players
----
----
;5–8th place semifinal
;Fifth place game
Nordic combined
Short track speed skating
According to the ISU Special Olympic Qualification Rankings, Japan has qualified 5 men and 5 women.On 13 February 2018, Japanese short-track speedskater Kei Saito, a reserve on the 5,000-meter relay team, has tested positive for a banned diuretic acetazolamide, and has been suspended from Winter Olympics for doping.
;Men
;Women
Qualification legend: ADV – Advanced due to being impeded by another skater; FA – Qualify to medal round; FB – Qualify to consolation round; OR – Olympic record
Skeleton
Based on the world rankings, Japan qualified 3 sleds.Ski jumping
;Men;Women
Snowboarding
;Freestyle;Men
;Women
;Parallel
Speed skating
;Men;Women
;Mass start
;Team pursuit