| P | # | Player | Born | Height | Weight | Contract | |
|---|---|---|---|---|---|---|---|
| GK | Nick Colgan | 1973-09-19 | 185 | 85 | |||
| GK | Vito Mannone | 1988-03-02 | 183 | 73 | 2018-06-30 | ||
| D | Neil Austin | 1983-04-26 | 178 | 70 | |||
| F | Paul Hayes | 1983-09-20 | 183 | 82 |
| Date | Player | From | To | Status | Src |
|---|---|---|---|---|---|
| 30.Jun | Matthew James (M) | Barnsley FC | Leicester City | Confirmed | |
| 30.Jan | Adam Armstrong (F) | Barnsley FC | Newcastle United | Confirmed | |
| 25.Jan | Matthew James (M) | Leicester City | Barnsley FC | Confirmed | |
| 30.Aug | Adam Armstrong (F) | Newcastle United | Barnsley FC | Confirmed | |
| 30.Aug | Alfie Mawson (D) | Barnsley FC | Swansea City | Confirmed | |
| 31.May | Ivan Toney (F) | Barnsley FC | Newcastle United | Confirmed | |
| 26.Mar | Ivan Toney (F) | Newcastle United | Barnsley FC | Confirmed | |
| 3.Jan | Daniel Crowley (M) | Barnsley FC | Arsenal FC | Confirmed | |
| 1.Aug | Daniel Crowley (M) | Arsenal FC | Barnsley FC | Confirmed | |
| 7.Aug | Keith Treacy (M) | Burnley FC | Barnsley FC | Confirmed |