The 2019 IIHF U18 Women's World Championship was the 12th IIHF U18 Women's World Championship in ice hockey. It was played at the Obihiro Arena in Obihiro, Japan from 6 to 13 January.
All times are local (UTC+9).
The third and fourth placed team from Group B will play a best-of-three series to determine the relegated team.
<small>GP = Games played; G = Goals; A = Assists; Pts = Points; +/â = P PlusâÂÂminus; PIM = Penalties In Minutes<br>Source: IIHF</small>
(minimum 40% team's total ice time)
<small>TOI = Time On Ice (minutes:seconds); GA = Goals against; GAA = Goals against average; SA = Shots against; Sv% = Save percentage; SO = Shutouts<br>Source: IIHF</small>
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The Division I Group A tournament was held in Radenthein, Austria from 7 to 13 January 2019.
The Division I Group B tournament was held in Dumfries, Great Britain from 6 to 12 January 2019.
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.