2010 Emperor's Cup

The 90th Emperor's Cup began on 4 September 2010 and ended on 1 January 2011 with the final at National Stadium in Tokyo, Japan. Gamba Osaka were the two-time defending champions, having won two previous tournaments.
Kashima Antlers won the tournament and was awarded a 2011 AFC Champions League berth.

Participants

Starting in the first round

;Prefectural finals winners – 47 teams

Hokkaidō – Sapporo University
Aomori – Vanraure Hachinohe
Iwate – Grulla Morioka
Miyagi – Sony Sendai
Akita – Blaublitz Akita
Yamagata – Yamagata University
Fukushima – Fukushima United
Ibaraki – Ryutsu Keizai University
Tochigi – Tochigi Uva
Gunma – Arte Takasaki
Saitama – Tokyo International University
Chiba – Juntendo University
Tokyo – Tokyo Verdy U-18
Kanagawa – YSCC Yokohama
Niigata – Japan Soccer College
Toyama – Toyama Shinjo Club
Ishikawa – Zweigen Kanazawa
Fukui – Saurcos Fukui
Yamanashi – Tamaho FC
Nagano – Matsumoto Yamaga
Gifu – FC Gifu Second
Shizuoka – Honda FC
Aichi – Chukyo University
Mie – Yokkaichi University
Shiga – MIO Biwako Shiga
Kyoto – SP Kyoto
Osaka – Osaka University of Health and Sport Sciences
Hyōgo – Kwansei Gakuin University
Nara – Nara Club
Wakayama – Arterivo Wakayama
Tottori – Yonago Kita High School
Shimane – Dezzolla Shimane
Okayama – International Pacific University
Hiroshima – Sagawa Express Chugoku
Yamaguchi – Renofa Yamaguchi
Tokushima – Tokushima Vortis Second
Kagawa – Kamatamare Sanuki
Ehime – Ehime FC Shimanami
Kochi – Kochi University
Fukuoka – Fukuoka University of Education
Saga – Saga University
Nagasaki – V-Varen Nagasaki
Kumamoto – Kumamoto Gakuen University High School
Ōita – HOYO Atletico ELAN
Miyazaki – Honda Lock
Kagoshima – NIFS Kanoya
Okinawa – FC Ryukyu

;Prime Minister Cup University football tournament winners – 1 team

Komazawa University

Starting in the second round

;J.League Division 1 – 18 teams

;J.League Division 2 – 19 teams

;Japan Football League – 3 teams

※Clubs ranked from first to third at the end of the 17th week of 2010 Japan Football League.

Times

All times are Japan Standard Time

First round

----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----

Second round

----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----
----

Third round

----
----
----
----
----
----
----
----
----
----
----
----
----
----
----

Fourth round

----
----
----
----
----
----
----

Quarter-finals

----
----
----

Semi-finals

----