The 2010–11 Irish League Cup (known as the Co-operative Insurance Cup for sponsorship reasons) was the 25th edition of Northern Ireland's secondary football knock-out cup competition. For this season all matches reverted to a one-legged basis having previously been two-legged ties up until the semi-final stage. The competition was also opened up to include more clubs. It was contested by the 12 members of the IFA Premiership, as well as the 14 members of IFA Championship 1 and for the first time, the 16 members of IFA Championship 2 (the third tier). Glentoran were the defending champions.