| Tournament details | |
|---|---|
| Country | Japan |
| Teams | 80 |
| Final positions | |
| Champions | Urawa Red Diamonds (5th title) |
| Runner-up | Shimizu S-Pulse |
| Tournament statistics | |
| Matches played | 79 |
The 85th Emperor's Cup was held between September 17, 2005 and January 1, 2006. The tournament was won by Urawa Red Diamonds. The J.League Division 2 clubs qualified automatically to the third round, while the J.League Division 1 clubs qualified automatically to the fourth round.