The 2024 Japan Club Youth U-18 Football Championship (Japanese: 第48回 日本クラブユースサッカー選手権(U-18)大会) was the 48th edition of the contested tournament, held exclusively for Japan youth clubs affiliated with both J.League and Japan Club Youth Football Federation.
The number of slots for each region were predetermined by the JFA prior to the qualifiers.
Each match during the group stage was 70-minutes long, with two 35-minute halves and a 10-minute halftime break.
From the quarter-finals onwards, the matches was 80-minutes long, with two 40-minute halves and a 15-minute halftime break.
In case of a draw, the match would directly proceed into penalty shoot-outs.