2012 IIHF World Women's U18 Championship

The 2012 IIHF World Women's U18 Championship was the fifth IIHF World Women's U18 Championships and was hosted in Zlín and Přerov, Czech Republic. It began on December 31, 2011 with the gold medal game played on January 7, 2012.

Canada won the title for the second time after defeating United States 3–0 in the final. Sweden captured the bronze medal with a 4–1 victory over Germany.

With an attendance of 17,480, the tournament set a record for most-attended IIHF U18 World Women's Championship. The previous record holder was the inaugural championship.

Preliminary round
All times are local (UTC+1).

Group A
All games are being played at Zlín.

Group B
All games are being played at Přerov.

Relegation round
The teams played a best-of-three series.

All times are local (UTC+1).

 is relegated to Division I for the 2013 IIHF World Women's U18 Championship.

Final round
All times are local (UTC+1).

Division I
The qualification tournament was played in Asiago, Italy, from 29 November to 4 December 2011. The final tournament was played in Tromsø, Norway, from 29 December 2011 to 4 January 2012.