The 2012 IIHF U20 World Championship was the 36th edition of the Ice Hockey World Junior Championship. It was hosted in Calgary and Edmonton, Alberta, Canada. It began on December 26, 2011, and ended with the gold medal game played in Calgary on January 5, 2012. Sweden defeated defending-champion Russia 1–0 in overtime to win their first title in 31 years. Russian forward Evgeny Kuznetsov was named MVP of the tournament. Denmark was relegated to Division I and Germany was promoted to the 2013 World Junior Ice Hockey Championships.

Northlands Coliseum is a defunct indoor arena in Edmonton, Alberta, on the north side of Northlands. It was used for sports events and concerts, and was home to the Edmonton Oilers of the World Hockey Association (WHA) and National Hockey League (NHL), and the Edmonton Oil Kings of the Western Hockey League (WHL). The arena opened in 1974, and was later known as Edmonton Coliseum, Skyreach Centre, and Rexall Place, before returning to the Northlands Coliseum name in summer 2016.