2010 IIHF World Women's U18 Championship – Division I

The 2010 IIHF World Women's U18 Championship Division I tournament was held in Piešťany, Slovakia, from 3 to 9 April 2010. Switzerland won the tournament and after a year they returned to the top division.

Final standings
 is promoted to the Top Division of the 2011 IIHF World Women's U18 Championship