2012–13 Middlesbrough F.C. season

The 2012–13 season is Middlesbrough's fourth consecutive season in the Championship. They will also compete in the League Cup and the FA Cup.

Squad

 * colspan="14"|Players featured for club who have been sent out on loan:
 * colspan="14"|Players featured for club who have left:
 * colspan="14"|Players featured for club who have left:
 * colspan="14"|Players featured for club who have left:


 * }

Suspensions served
Key: (H) = League Home, (A) = League Away, (FA) = FA Cup, (CC) = League Cup

Contracts