The 90th Emperor's Cup (第90回天皇杯) 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.
※Clubs ranked from first to third at the end of the 17th week of 2010 Japan Football League.
All matches are Japan Standard Time (UTC+09:00)