| Player in | From | Fee | Date |
| Jamie Forrester | Northampton Town | Free | 22/01/2003 |
| Alan Fettis | York City | Free | 23/01/2003 |
| Jon Walters | Bolton Wanderers | Loan | 27/02/2003 |
| Martin Reeves | Leicester City | Loan | 07/03/2003 |
| Jon Otsemobor | Liverpool | Loan | 13/03/2003 |
| Ben Burgess | Stockport County | £100,000 | 27/03/2003 |
| Danny Allsopp | Notts County | £90,000 | 06/05/2003 |
| Alton Thelwell | Tottenham Hotspur | Free | 12/06/2003 |
| Andy Dawson | Scunthorpe United | Free | 01/07/2003 |
| Jason Price | Tranmere Rovers | Free | 01/07/2003 |
| Richard Hinds | Tranmere Rovers | Free | 01/07/2003 |
| Michel Kuipers | Brighton & Hove Albion | 1 Month Loan | 28/08/2003 |
| Ryan France | Alfreton Town | £15,000 | 24/09/2003 |
| Boaz Myhill | Aston Villa | £50,000 | 11/12/2003 |
| Player out | To | Fee | Date |
| Matt Bloomer | Released | 02/01/2003 | |
| Gary Alexander | Leyton Orient | Free | 27/01/2003 |
| Greg Strong | Cheltenham Town | 1 month loan | 31/01/2003 |
| Gary Bradshaw | Scarborough | 1 month loan | 13/02/2003 |
| Stuart Green | Carlisle United | Loan | 20/02/2003 |
| Scott Kerr | Scarborough | Free | 08/03/2003 |
| Lawrie Dudfield | Northampton Town | Loan | 13/03/2003 |
| Daniel Webb | Lincoln City | 1 month loan | 14/03/2003 |
| Mike Edwards | Released | 20/03/2003 | |
| Greg Strong | Scunthorpe United | Loan | 24/03/2003 |
| Andy Holt | Northampton Town | Loan | 26/03/2003 |
| Lawrie Dudfield | Northampton Town | Free | 01/05/2003 |
| Greg Strong | Bury | 2 month loan | 01/08/2003 |
| Clayton Donaldson | Scarborough | 1 month loan | 22/08/2003 |
| Shaun Smith | Stockport County | 1 month loan | 04/09/2003 |
| Shaun Smith | Carlisle United | 1 month loan | 21/10/2003 |
| Steve Burton | Kidderminster Harriers | 2 month loan | 24/10/2003 |
| Ryan Williams | Bristol Rovers | 2 month loan | 27/10/2003 |
| Alan Fettis | Sheffield United | Loan | 05/12/2003 |
| Daniel Webb | Cambridge United | Loan | 18/12/2003 |
| Carl Regan | Chester City | 1 month loan | 20/12/2003 |
| Nathan Peat | Cambridge United | 2 month loan | 23/12/2003 |
| Ryan Williams | Bristol Rovers | Free | 29/12/2003 |
