The 2019 IIHF U18 World Championship Division I was two international under-18 ice hockey tournaments organised by the International Ice Hockey Federation. The Division I A and Division I B tournaments represent the second and the third tier of the IIHF World U18 Championship.
The Division I A tournament was played in Grenoble, France, from 14 to 20 April 2019.
4 referees and 7 linesmen were selected for the tournament.
<section begin=Division I A/><section end=Division I A/>
<small>All times are local (UTC+2).</small>
List shows the top ten skaters sorted by points, then goals.
<small> GP = Games played; G = Goals; A = Assists; Pts = Points; +/â = P PlusâÂÂminus; PIM = Penalties in minutes; POS = Position<br>Source: IIHF</small>
Only the top five goaltenders, based on save percentage, who have played 40% of their team's minutes are included in this list.
<small> TOI = Time On Ice (minutes:seconds); SA = Shots against; GA = Goals against; GAA = Goals against average; Sv% = Save percentage; SO = Shutouts<br>Source: IIHF</small>
<small>Source: IIHF </small>
The Division I B tournament was played in Székesfehérvár, Hungary, from 14 to 20 April 2019.
4 referees and 7 linesmen were selected for the tournament.
<section begin=Division I B/><section end=Division I B/>
<small>All times are local (UTC+2).</small>
List shows the top ten skaters sorted by points, then goals.
<small> GP = Games played; G = Goals; A = Assists; Pts = Points; +/â = P PlusâÂÂminus; PIM = Penalties in minutes; POS = Position<br>Source: IIHF</small>
Only the top five goaltenders, based on save percentage, who have played 40% of their team's minutes are included in this list.
<small> TOI = Time On Ice (minutes:seconds); SA = Shots against; GA = Goals against; GAA = Goals against average; Sv% = Save percentage; SO = Shutouts<br>Source: IIHF</small>
<small>Source: IIHF </small>