The Japan Club Youth U-18 Championship (日本クラブユースサッカー選手権 (U-18)大会, Nihon kurabu yūsu sakkā senshuken U-18 taikai) is an annual nationwide association football tournament for youth clubs in Japan.

It is restricted to members of the Japan Club Youth Football Federation.

[1] Usually held during the summer, the competition's current format comprises 32 teams from 9 regions, which wins a spot in each competition through regional qualification.

Similar to the FIFA World Cup, it starts on the group stage, with eight groups of four teams, with the best two of each advancing to the knockout stage.

[2]