| Japan | |
| Gender: | women |
| Type: | U23 |
| Image Border: | yes |
| Federation: | Japan Volleyball Association |
| Confederation: | AVC |
| World Champs Apps: | 3 |
| World Champs First: | 2013 |
| World Champs Best: | Bronze : (2013) |
| Regional Cup Apps: | 2 |
| Regional Cup First: | 2015 |
| Regional Cup Best: | Gold : (2017). |
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The Japan women's national under-23 volleyball team represents Japan in women's under-23 volleyball events, it is controlled and managed by the Japanese Volleyball Association that is a member of Asian volleyball body Asian Volleyball Confederation (AVC) and the international volleyball body government the Fédération Internationale de Volleyball (FIVB).
Champions Runners up Third place Fourth place
| FIVB U23 World Championship [1] | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Year | Round | Position | Squad | ||||||
 2013 | Semifinals | Third | Squad | ||||||
 2015 | Semifinals | 4th | Squad | ||||||
 2017 | 9th | Squad | |||||||
| Total | 0 titles | 3/3 | |||||||
Champions Runners up Third place Fourth place
| Year | Round | Position | Squad | ||||||
|---|---|---|---|---|---|---|---|---|---|
 2015 | Semifinals | 4th | Squad | ||||||
 2017 | Final | 1st | Squad | ||||||
| Total | 1 Title | 2/2 | |||||||
The following is the Japanese roster in the 2017 FIVB Women's U23 World Championship.[2]
Head coach: Kiyoshi Abo
| No. | Name | Date of birth | Height | Weight | Spike | Block | 2016–2017 club |
|---|---|---|---|---|---|---|---|
| Misaki Yamauchi (c) | 1.720NaN0 | 69kg (152lb) | 306cm (120inches) | 295cm (116inches) |  NEC Red rockets | ||
| 1.780NaN0 | 70kg (150lb) | 306cm (120inches) | 295cm (116inches) | Toray Arrow | |||
| Ayaka Sugi | 1.770NaN0 | 72kg (159lb) | 293cm (115inches) | 282cm (111inches) | Tokyo Women's College | ||
| Haruka Kanamori | 1.760NaN0 | 66kg (146lb) | 297cm (117inches) | 285cm (112inches) | Hisamitsu Springs | ||
| Misaki Shirai | 1.750NaN0 | 71kg (157lb) | 293cm (115inches) | 280cm (110inches) | Toray Arrow | ||
| 7 | Nanaka Sakamoto | 1.760NaN0 | 65kg (143lb) | 304cm (120inches) | 294cm (116inches) | ||
| 8 | Miki Sakurai | 1.690NaN0 | 62kg (137lb) | 275cm (108inches) | 265cm (104inches) | Nippon Sport Science University | |
| 10 | Kaori Mabashi | 1.730NaN0 | 63kg (139lb) | 295cm (116inches) | 285cm (112inches) | Hitachi Rivale | |
| 11 | Nanami Hirose | 1.770NaN0 | 61kg (134lb) | 301cm (119inches) | 295cm (116inches) | NEC Red Rockets | |
| 12 | Moeri Hanai | 1.660NaN0 | 60kg (130lb) | 275cm (108inches) | 270cm (110inches) | Nippon Sport Science University | |
| 13 | Miwako Osanai | 1.740NaN0 | 66kg (146lb) | 293cm (115inches) | 270cm (110inches) | Hitachi Rivale | |
| 16 | Rei Kudo | 1.750NaN0 | 65kg (143lb) | 300cm (100inches) | 295cm (116inches) | Denso Airybees | |