The 2012 Winter Youth Olympic Games, officially known as the I Winter Youth Olympic Games (YOG), were an international multi-sport event for youths that took place in Innsbruck, Austria, on 13–22 January 2012. They were the inaugural Winter Youth Olympics, a major sports and cultural festival celebrated in the tradition of the Olympic Games. Approximately 1100 athletes from 70 countries competed. The decision for Innsbruck to host the Games was announced on 12 December 2008 after mail voting by 105 International Olympic Committee (IOC) members. Innsbruck is the first city to host three winter Olympic events, having previously hosted the 1964 Winter Olympics and the 1976 Winter Olympics.

The modern Olympic Games or Olympics are the leading international sporting events featuring summer and winter sports competitions in which thousands of athletes from around the world participate in a variety of competitions. The Olympic Games are considered the world's foremost sports competition with more than 200 teams, representing sovereign states and territories participating; by default the Games generally substitute for any World Championships the year in which they take place. The Olympic Games are held every four years; since 1994, they have been alternated between the Summer and Winter Olympics every two years during the four-year period.