The 2020 IIHF U18 Women's World Championship was the 13th IIHF U18 Women's World Championship in ice hockey.

9 referees and 9 linesmen were selected for the tournament.

Teams were reseeded for the semifinals in accordance with the following ranking:[2] GP = Games played; G = Goals; A = Assists; Pts = Points; +/− = P Plus–minus; PIM = Penalties In MinutesSource: IIHF (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 = ShutoutsSource: IIHF Source: IIHF Source: [3] The tournament was held in Füssen, Germany from 3 to 9 January 2020.

[4] The tournament was held in Katowice, Poland from 2 to 8 January 2020.

The tournament was held in Eindhoven, Netherlands from 25 to 28 January 2020.