The 2011–12 season was Rotherham United's 87th season in their existence and the fourth consecutive season in League Two.

[1] Along with competing in League Two, the club also participated in the FA Cup, the League Cup and the Football League Trophy.

Following Rotherham's defeat to Oxford United on 17 March 2012, the club found themselves eight points from the play-off places in League Two.

This prompted chairman Tony Stewart to sack Andy Scott two days later.

[3] Steve Evans was appointed as the new manager on a 3-year deal on 9 April.