2021–22 Rotherham United F.C. season
| 2021–22 season | ||||
|---|---|---|---|---|
| Chairman | Tony Stewart | |||
| Manager | Paul Warne | |||
| Stadium | New York Stadium | |||
| League One | 2nd, promoted | |||
| FA Cup | Third round | |||
| EFL Cup | First round | |||
| EFL Trophy | Winners | |||
| Top goalscorer | League: Michael Smith (19) All: Michael Smith (25) | |||
| Highest home attendance | 11,522 | |||
| Lowest home attendance | 8,004 | |||
|
| ||||
The 2021–22 season is Rotherham United's 97th year in their history and first season back in League One since the 2019–20 season following relegation last season. Along with the league, the club will also compete in the FA Cup, the EFL Cup and the EFL Trophy. The season covers the period from 1 July 2021 to 30 June 2022.