2019 IIHF World Women's U18 Championship

The 2019 IIHF Women's U18 World Championship was the 12th Women's U18 World Championship in ice hockey. It was played at the Obihiro Arena in Obihiro, Japan from 6 to 13 January.

Preliminary round
All times are local (UTC+9).

Relegation round
The third and fourth placed team from Group B will play a best-of-three series to determine the relegated team.

Scoring leaders
GP = Games played; G = Goals; A = Assists; Pts = Points; +/− = P Plus–minus; PIM = Penalties In Minutes Source: IIHF

Goaltending leaders
(minimum 40% team's total ice time)

TOI = Time On Ice (minutes:seconds); GA = Goals against; GAA = Goals against average; SA = Shots against; Sv% = Save percentage; SO = Shutouts Source: IIHF

Best players selected by the directorate
Source:
 * Best Goaltender: Saskia Maurer
 * Best Defenceman: 🇨🇦 Alexie Guay
 * Best Forward: 🇫🇮 Elisa Holopainen

Media All-Stars
Source:
 * MVP: 🇨🇦 Raygan Kirk
 * Goaltender: Saskia Maurer
 * Defencemen: 🇨🇦 Alexie Guay / 🇫🇮 Nelli Laitinen
 * Forwards: 🇫🇮 Elisa Holopainen / 🇺🇸 Katy Knoll / 🇷🇺 Ilona Markova

Group A
The Division I Group A tournament was held in Radenthein, Austria from 7 to 13 January 2019.

Group B
The Division I Group B tournament was held in Dumfries, Great Britain from 6 to 12 January 2019.

Group B Qualification
The Division I Group B Qualification tournament was held in Jaca, Spain from 12 to 18 January 2019. For 2020 it was decided to create a Division II and split the teams into two groups. The teams that did not make the semifinals were essentially relegated to Division II B.