Head to Head
| England - Championship | 2021/02/27 15:00 | Barnsley v Millwall | W | 2-1 |
| England - Championship | 2020/10/24 14:00 | Millwall v Barnsley | D | 1-1 |
| England - Championship | 2020/06/27 12:00 | Barnsley v Millwall | D | 0-0 |
| England - Championship | 2019/12/21 15:00 | Millwall v Barnsley | W | 1-2 |
| England - Championship | 2018/03/17 13:00 | Barnsley v Millwall | L | 0-2 |
| England - FA Cup | 2018/01/06 15:00 | Millwall v Barnsley | L | 4-1 |
| England - Championship | 2017/09/30 14:00 | Millwall v Barnsley | W | 1-3 |
| England - League 1 | 2016/05/29 14:00 | Barnsley v Millwall | W | 3-1 |
Home History
| England - Championship | 2021/09/29 18:45 | Barnsley v Nottm Forest | L | 1-3 |
| England - Championship | 2021/09/25 14:00 | Blackpool v Barnsley | L | 1-0 |
| England - Championship | 2021/09/18 14:00 | Barnsley v Blackburn | D | 0-0 |
| England - Championship | 2021/09/15 18:45 | Stoke v Barnsley | D | 1-1 |
| England - Championship | 2021/09/11 14:00 | Bournemouth v Barnsley | L | 3-0 |
| England - Championship | 2021/08/28 14:00 | Barnsley v Birmingham | D | 1-1 |
| England - Championship | 2021/08/21 11:30 | QPR v Barnsley | D | 2-2 |
| England - Championship | 2021/08/17 18:45 | Barnsley v Luton | L | 0-1 |
Away History
| England - Championship | 2021/09/29 18:45 | Millwall v Bristol City | W | 1-0 |
| England - Championship | 2021/09/25 14:00 | Nottm Forest v Millwall | D | 1-1 |
| England - EFL Cup | 2021/09/22 18:45 | Millwall v Leicester | L | 0-2 |
| England - Championship | 2021/09/18 14:00 | Millwall v Coventry | D | 1-1 |
| England - Championship | 2021/09/15 18:45 | Swansea v Millwall | D | 0-0 |
| England - Championship | 2021/09/11 14:00 | West Bromwich Albion v Millwall | D | 1-1 |
| England - Championship | 2021/08/28 14:00 | Millwall v Blackpool | W | 2-1 |
| England - EFL Cup | 2021/08/24 18:45 | Millwall v Cambridge Utd | W | 3-1 |