The 2008 World Junior Figure Skating Championships were held from February 25 through March 2 in Sofia, Bulgaria.

Commonly called "World Juniors" and "Junior Worlds", they are an annual figure skating competition in which elite figure skaters compete for the title of World Junior Champion.

The event is open to figure skaters from ISU member nations who have reached the age of 13 by July 1 of the previous year, but have not yet turned 19.

The upper age limit for men competing in pairs and dance is 21.

Regardless of whether they have competed as seniors, all competitors perform programs that conform to the ISU rules for junior level competition in terms of program lengths, jumping passes, etc.