The 2011–12 Biathlon World Cup was a multi-race tournament over a season of biathlon, organised by the International Biathlon Union.

The season started on 30 November 2011 in Östersund, Sweden and ended on 18 March 2012 in Khanty-Mansiysk, Russia.

Below is the IBU World Cup calendar for the 2011–12 season.

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Following are notable biathletes who announced their retirement: