The 2017 J.League Cup (2017 Jリーグカップ), or officially the 2017 J.League YBC Levain Cup (2017 JリーグYBCルヴァンカップ), was the 42nd edition of the most prestigious Japanese football league cup tournament and the 25th edition under the current J.League Cup format.
[1] Teams from the J.League Division 1 will take part in the tournament.
Teams that qualified for 2017 AFC Champions League group stage (3 or 4 teams: later confirmed as Gamba Osaka, Kashima Antlers, Kawasaki Frontale and Urawa Red Diamonds) were given byes to the quarter-finals.
The remaining teams (14 or 15 teams) started from the group stage, where they were divided into two groups of 7 or 8 teams.
The remained quarter-finalists (2 or 3 teams) were to be the winners of the play-off of the following two-legged ties: