Team Japan Roster @ U18 World Championships (Women) 2019
| GOALIES | ||||||||
|---|---|---|---|---|---|---|---|---|
| Name | Pos | Age | Birthdate | Birthplace | HT | WT | SC | |
 | Reika Sasaki | G | 15 | 2003-08-05 | 5'1" | 117 | L | |
| Rei Halloran | G | 17 | 2001-03-22 | Boston, Massachusetts | 5'7" | 150 | L |
| DEFENSEMEN | ||||||||
|---|---|---|---|---|---|---|---|---|
| Name | Pos | Age | Birthdate | Birthplace | HT | WT | SC | |
| Shiori Yamashita | D | 16 | 2002-04-28 | 5'3" | 115 | L | |
| Haruna Nomura | D | 15 | 2003-04-22 | 5'1" | 110 | L | |
| Mei Sakurai | D | 16 | 2002-03-28 | 5'5" | 123 | R | |
| Kyoka Tsutsumi | D | 14 | 2004-04-21 | 4'11" | 99 | L | |
| Ayaka Tomiuchi | D | 15 | 2003-04-24 | 5'2" | 115 | R | |
| Rima Takahashi | D | 17 | 2001-11-18 | 5'3" | 128 | L | |
| Fuka Kosuga | D | 15 | 2003-01-03 | 5'4" | 121 | L | |
| FORWARDS | ||||||||
|---|---|---|---|---|---|---|---|---|
| Name | Pos | Age | Birthdate | Birthplace | HT | WT | SC | |
| Moeka Tsutsumi | F | 17 | 2001-02-07 | 5'0" | 106 | L | |
| Anju Hayakawa | F | 15 | 2003-08-21 | 5'3" | 128 | L | |
| Yumeka Wajima | F | 16 | 2002-10-19 | 5'1" | 106 | R | |
| Kaho Suzuki | F | 16 | 2002-02-02 | Kushiro, Japan | 5'3" | 117 | R |
| Ami Sasaki | F | 16 | 2002-02-03 | 5'1" | 115 | R | |
| Minami Kamada | F | 14 | 2004-04-01 | 5'6" | 117 | R | |
| Yui Sonoya | F | 17 | 2001-05-30 | 5'3" | 137 | R | |
| Hina Shimomukai | F | 14 | 2004-04-29 | 5'4" | 117 | R | |
| Makoto Ito | F | 14 | 2004-05-02 | 5'6" | 148 | L | |
| Akane Shiga | F | 17 | 2001-03-03 | Obihiro, Japan | 5'5" | 134 | R |
| Marin Nagaoka | F | 16 | 2002-07-27 | 5'2" | 123 | R | |
| Airi Sato | F | 16 | 2002-01-12 | 5'0" | 123 | L | |
| Azuki Ushio | F | 16 | 2002-02-27 | 5'0" | 117 | L | |