The 2015 IIHF U18 Women's World Championship Division I was the two international under-18 women ice hockey tournaments organised by the International Ice Hockey Federation.

The Division I 'A' and Division I Qualification tournaments represent the second and the third tier of the IIHF World Women's U18 Championships.

The Division I 'A' tournament was played in Vaujany, France, from 4 to 10 January 2015.

(CET – UTC+1) Best players selected by the directorate:[2] The Division I Qualification tournament was played in Katowice, Poland, from 19 to 25 January 2015.

[3] Denmark won all five games in their debut, earning promotion to the Division I 'A' tournament for 2016.