The 2008–09 Japan Junior Figure Skating Championships were the Japanese National Championships for the Junior level for the 2008–09 season. They took place in Nagoya from November 23 through 24, 2008. The results of this competition were used to choose the Japanese team to the 2009 World Junior Championships.
The following skaters placed high enough at Novice Nationals and so were invited to compete at Junior Nationals: Sei Kawahara (1st in novice, 11th in junior) and Hiroaki Sato (2nd in novice, 27th in junior) for the men; and Miu Sato (1st in novice, 25th in junior), Mao Watanabe (2nd in novice, 30th in junior), Karen Kemanai (3rd in novice, 7th in junior), and Risa Shoji (4th in novice, 29th in junior) for the ladies.
Following the Japanese Championships, the team to the 2009 World Championships, 2009 Four Continents Championships, 2009 Winter Universiade were announced as:[1]