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| Transfers |
 MVV 7,800,000 < >  Preston North End |
| TRO | > | Ruben VAN BOMMEL | LW | NED | 62 | 97 | 03/08/04 (20) | 87 | 1.86 | 83 | Preston North End | | 11660 | | | | 0 | 0 | 5825 | 0 | +2 | |
 Real Madrid C 900,000 < > Preston North End |
| CLA | > | César PALACIOS Pérez | AM/CM | ESP | 47 | 81 | 11/11/04 (20) | 83 | | | Preston North End | | 580 | | | | 0 | 0 | 645 | 0 | Y | |
| 275,000 < > Preston North End |
| SMX | > | Ryan ONÉ | AM | SCO | 45 | 76 | 26/06/06 (18) | 94 | | | Preston North End | | 410 | | | | 0 | 0 | 575 | 0 | Y | |
| Swansea City 10,700,000 < > Accrington Stan. |
| EHD | > | Kamory DOUMBIA | AM | MLI | 61 | 87 | 18/02/03 (21) | 90 | 1.70 | 53 | Accrington Stan. | | 10020 | | | | 1 | 0 | 4615 | 0 | +2 | |
| FVP | > | Stefan POSCH | RB/CB | AUT | 65 | 96 | 14/05/97 (27) | 87 | 1.84 | 73 | Accrington Stan. | | 20500 | | | | 1 | 0 | 3395 | 0 | +2 | |
 FC Imabari < > 310,000 Accrington Stan. |
| HET | < | Juan LARIOS López | LB | ESP | 47 | 2 | 12/01/04 (20) | 82 | | | FC Imabari | | | | | | | | 420 | | | |
| West Ham United 2,500,000 < > Sheffield Weds. |
| ELO | > | PAU LÓPEZ Sabata | Gk | ESP | 66 | 96 | 13/12/94 (29) | 89 | 1.89 | 77 | Sheffield Weds. | | 27220 | | | | 0 | 0 | 3465 | 0 | +4 | |
| YOF | < | Justin BIJLOW | Gk | NED | 63 | 98 | 22/01/98 (26) | 89 | 1.88 | 84 | West Ham United | | 15140 | | | | 1 | 0 | 2985 | 0 | | |
 TSG Hoffenheim < > 2,910,000 Sheffield Weds. |
| LAP | < | Flavius DANILIUC | CB | AUT | 61 | 15 | 27/04/01 (23) | 91 | 1.86 | 76 | TSG Hoffenheim | | | | | | | | 2555 | | | |
| Aston Villa 7,500,000 < > Sunderland |
| EDP | > | PEDRO Antonio PORRO Sauceda | RWB | ESP | 65 | 96 | 13/09/99 (25) | 88 | 1.76 | 71 | Sunderland | | 21100 | | | | 0 | 0 | 3815 | 0 | +3 | |
| Brentford 15,600,000 < > Stoke City |
| VYW | > | Mickey VAN DE VEN | CB/LB | NED | 65 | 94 | 19/04/01 (23) | 92 | | | Stoke City | | 20100 | | | | 1 | 0 | 4520 | 0 | +3 | |
| Mansfield Town < > 530,000 Arsenal |
| BEW | < | Luke CHAMBERS | LB | ENG | 49 | 2 | 24/06/04 (20) | 84 | | | Mansfield Town | | | | | | | | 580 | | | |
| SC Heerenveen 4,900,000 < > Hull City |
| AMQ | > | Joey VEERMAN | DM | NED | 65 | 81 | 19/11/98 (26) | 89 | 1.85 | 75 | Hull City | | 21700 | | | | 0 | 0 | 3605 | 0 | +3 | |
 Club NXT 950,000 < > Notts County |
| PFN | > | Chemsdine TALBI | AM | BEL | 46 | 95 | 09/05/05 (19) | 93 | | | Notts County | | 460 | | | | 0 | 0 | 610 | 0 | Y | |
| Eintr. Frankfurt 1,210,000 < > Notts County |
| FQY | > | Nathaniel BROWN | LB | GER | 50 | 73 | 16/06/03 (21) | 90 | 1.73 | 60 | Notts County | | 1690 | | | | 0 | 0 | 610 | 0 | | |
| Loan/transfer listed |
| HNN | - | Moďse Dion SAHI | WS | MLI | 59 | 93 | 20/12/01 (22) | 88 | | | Port Vale | | 8660 | | | T | 0 | 0 | 3640 | 0 | +1 | |
| EIH | - | Harrison REED | CM | ENG | 63 | 91 | 27/01/95 (29) | 93 | 1.76 | 74 | Sheffield Weds. | | 8010 | | | T | 3 | 0 | 3275 | 0 | | |
| ABT | - | Harrison ASHBY | RWB | SCO | 50/51 | 95 | 14/11/01 (23) | 79 | 1.79 | 72 | Sheffield Weds. | | 790 | | | T | 0 | 0 | 560 | 0 | +1 | |
| WEO | - | Kristian ARNSTAD | CM | NOR | 57/58 | 95 | 07/09/03 (21) | 78 | 1.75 | 60 | Sheffield Weds. | | 5980 | | | T | 2 | 0 | 2985 | 0 | +2 | |
| Loan callbacks |
| HVW | - | Tygo LAND | CM | NED | 49/52 | 53 | 11/01/06 (18) | 75 | 1.68 | 56 | Sheffield Weds. | | 1310 | 1 | | | 0 | 0 | 1620 | 0 | Y | |
| EXV | - | Mikayil Ngor FAYE | CB/LB | SEN | 54 | 95 | 14/07/04 (20) | 86 | | | Sheffield Weds. | | 1640 | | | | 0 | 0 | 1240 | 0 | Y | |
| YMX | - | Aaron ANSELMINO | CB | ARG | 41 | 94 | 29/04/05 (19) | 87 | | | Sheffield Weds. | | 260 | | | | 0 | 0 | 160 | 0 | Y | |
| DZI | - | Martin VETKAL | DM/CM | EST | 48 | 93 | 21/02/04 (20) | 90 | 1.81 | 71 | Sheffield Weds. | | 740 | | | | 0 | 0 | 490 | 0 | Y | |
