2015–16 Rotherham United A.F.C. season

The 2015–16 season is Rotherham United's 91st season in their existence and the second consecutive season in the Championship. Last season, Rotherham secured their place in this season's championship with a 21st placed finish, 5 points from the relegation zone. Along with competing in the Championship, the club will also participate in the FA Cup, at which they will enter in the third round, and League Cup.