Team Japan Roster @ Ice Hockey World Championships (Women) 2021
| GOALIES | ||||||||
|---|---|---|---|---|---|---|---|---|
| Name | Pos | Age | Birthdate | Birthplace | HT | WT | SC | |
 | Nana Fujimoto | G | 32 | 1989-03-03 | 5'4" | 121 | L | |
| Mei Sato | G | 20 | 2000-09-21 | 5'2" | 115 | L | |
| Akane Konishi | G | 26 | 1995-08-14 | Kushiro, Japan | 5'6" | 154 | L |
| DEFENSEMEN | ||||||||
|---|---|---|---|---|---|---|---|---|
| Name | Pos | Age | Birthdate | Birthplace | HT | WT | SC | |
| Shiori Koike | D | 28 | 1993-03-21 | Nikko, Japan | 5'2" | 112 | L |
| Aoi Shiga | D | 22 | 1999-07-04 | 5'5" | 126 | L | |
| Ayaka Toko | D | 26 | 1994-08-22 | Higashimurayama, Japan | 5'3" | 128 | R |
| Fumika Sasano | D | 24 | 1997-06-26 | Aomori, Japan | 5'6" | 148 | L |
| Sena Suzuki | D | 30 | 1991-08-04 | 5'6" | 128 | L | |
| Yukiko Kawashima | D | 24 | 1996-11-16 | 5'4" | 139 | L | |
| Akane Hosoyamada | D | 29 | 1992-03-09 | Banff, Alberta | 5'4" | 130 | R |
| Shiori Yamashita | D | 19 | 2002-04-28 | 5'3" | 115 | L | |
| FORWARDS | ||||||||
|---|---|---|---|---|---|---|---|---|
| Name | Pos | Age | Birthdate | Birthplace | HT | WT | SC | |
| Haruna Yoneyama | F | 29 | 1991-11-07 | Shizunai, Japan | 5'3" | 121 | L |
| Mei Miura | F | 22 | 1998-11-16 | 5'4" | 139 | R | |
| Chiho Osawa | F | 29 | 1992-02-10 | 5'4" | 141 | R | |
| Moeko Fujimoto | F | 29 | 1992-08-05 | Tomakomai, Japan | 5'1" | 117 | L |
| Haruka Toko | F | 24 | 1997-03-16 | 5'6" | 143 | L | |
| Rui Ukita | F | 25 | 1996-06-06 | Kushiro, Japan | 5'7" | 159 | L |
| Akane Shiga | F | 20 | 2001-03-03 | Obihiro, Japan | 5'5" | 134 | R |
| Suzuka Taka | F | 24 | 1996-10-16 | 5'3" | 112 | R | |
| Chika Otaki | F | 22 | 1998-12-14 | 5'3" | 117 | R | |
| Hanae Kubo | F | 38 | 1982-12-10 | Tomakomai, Japan | 5'6" | 139 | R |
| Miho Shishiuchi | F | 28 | 1992-08-21 | Kaizuka, Japan | 5'5" | 137 | R |
| Hikaru Yamashita | F | 20 | 2000-09-23 | 5'2" | 119 | L | |
| Makoto Ito | F | 17 | 2004-05-02 | 5'6" | 148 | L | |
| Remi Koyama | F | 21 | 2000-07-17 | 4'9" | 115 | R | |
Post 1994 IIHF World Championship stats sourced from: IIHF Official Website and the Official Guide & Record Books of the Finnish Ice Hockey Federation.
1990, 1992 and 1994 tournament statistics are based on official game sheet data provided by hockey researcher David Martinez, who kindly shared his digitized material for these tournaments.