| 20 Oct 14 | J. Butland Jack Butland |  Stoke CitySTK | → |  Derby CountyDER | Loan |
| 20 Oct 14 | J. Butland Jack Butland | Stoke CitySTK | → | Derby CountyDER | Loan |
| 03 Oct 14 | K. Freeman Kieran Freeman | Derby CountyDER | → |  Mansfield TownMAN | Loan |
| 18 Sept 14 | T. Naylor Tom Naylor | Derby CountyDER | → |  Cambridge UnitedCAMB | Loan |
| 01 Sept 14 | T. Koblenz Tom Koblenz | XXX | → | Derby CountyDER | Free |
| 29 Aug 14 | J. Ibe Jordon Ibe |  LiverpoolLIV | → | Derby CountyDER | Loan |
| 29 Aug 14 | J. Lelan Josh Lelan | Derby CountyDER | → |  Swindon TownSWI | Loan |
| 29 Aug 14 | J. Ibe Jordon Ibe | LiverpoolLIV | → | Derby CountyDER | Loan |
| 25 Aug 14 | R. Shotton Ryan Shotton | Stoke CitySTK | → | Derby CountyDER | Loan |
| 25 Aug 14 | R. Shotton Ryan Shotton | Stoke CitySTK | → | Derby CountyDER | Loan |
| 15 Aug 14 | M. O'Brien Mark O'Brien | Derby CountyDER | → |  MotherwellMOT | Loan |
| 15 Aug 14 | C. Sammon Conor Sammon | Derby CountyDER | → |  Ipswich TownIPS | Loan |
| 15 Aug 14 | M. O'Brien Mark O'Brien | Derby CountyDER | → | MotherwellMOT | Loan |
| 13 Aug 14 | M. Bennett Mason Bennett | Derby CountyDER | → |  Bradford CityBRD | Loan |
| 06 Aug 14 | O. Mascarell Omar Mascarell |  Real MadridMAD | → | Derby CountyDER | Loan |
| 06 Aug 14 | O. Mascarell Omar Mascarell | Real MadridMAD | → | Derby CountyDER | Loan |
| 04 Aug 14 | L. Best Leon Best |  Blackburn RoversBLK | → | Derby CountyDER | Loan |
| 23 Jul 14 | J. Lelan Josh Lelan | Derby CountyDER | → | Swindon TownSWI | Loan |
| 19 Jul 14 | G. Thorne George Thorne |  West Bromwich AlbionWBA | → | Derby CountyDER | Undisclosed |
| 19 Jul 14 | G. Thorne George Thorne | West Bromwich AlbionWBA | → | Derby CountyDER | Undisclosed |
| 18 Jul 14 | I. Calero Ivan Calero |  Atletico MadridATL | → | Derby CountyDER | Free |
| 18 Jul 14 | I. Calero Ivan Calero | Atletico MadridATL | → | Derby CountyDER | Free |
| 10 Jul 14 | C. Christie Cyrus Christie |  Coventry CityCOV | → | Derby CountyDER | Undisclosed |
| 01 Jul 14 | A. Santos Alfie Santos | BRXBristol RoversBristol Rovers | → | Derby CountyDER | Undisclosed |
| 01 Jul 14 | Jonathan Mitchell |  Newcastle UnitedNEW | → | Derby CountyDER | Free |
| 01 Jul 14 | Z. Whitbread Zak Whitbread |  Leicester CityLEI | → | Derby CountyDER | Free |
| 01 Jul 14 | Jonathan Mitchell | Newcastle UnitedNEW | → | Derby CountyDER | Free |
| 01 Jul 14 | Z. Whitbread Zak Whitbread | Leicester CityLEI | → | Derby CountyDER | Free |
| 18 Mar 14 | M. Hoganson Michael Hoganson | Derby CountyDER | → |  Alfreton TownALF | Loan |
| 13 Mar 14 | M. Bennett Mason Bennett | Derby CountyDER | → |  ChesterfieldCHES | Loan |
| 06 Mar 14 | K. Freeman Kieran Freeman | Derby CountyDER | → |  Sheffield UnitedSHU | Loan |
| 27 Feb 14 | L. Naylor Lee Naylor | XXX | → | Derby CountyDER | Free |
| 19 Feb 14 | B. Davies Ben Davies | Derby CountyDER | → | Sheffield UnitedSHU | Loan |
| 31 Jan 14 | R. Atkins Ross Atkins | Derby CountyDER | → |  Crawley TownCRA | Loan |
| 30 Jan 14 | G. Thorne George Thorne | West Bromwich AlbionWBA | → | Derby CountyDER | Loan |
| 30 Jan 14 | G. Thorne George Thorne | West Bromwich AlbionWBA | → | Derby CountyDER | Loan |
| 23 Jan 14 | K. Roos Kelle Roos |  Nuneaton TownNUN | → | Derby CountyDER | Undisclosed |
| 11 Jan 14 | K. Freeman Kieran Freeman | Derby CountyDER | → |  Notts CountyNOTT | Loan |
| 11 Jan 14 | C. Ball Callum Ball | Derby CountyDER | → | Notts CountyNOTT | Loan |
| 08 Jan 14 | M. Jacobs Michael Jacobs | Derby CountyDER | → |  Wolverhampton WanderersWOL | Undisclosed |
| 06 Jan 14 | P. Bamford Patrick Bamford |  ChelseaCHE | → | Derby CountyDER | Loan |
| 06 Jan 14 | P. Bamford Patrick Bamford | ChelseaCHE | → | Derby CountyDER | Loan |
| 03 Jan 14 | S. Dawkins Simon Dawkins |  Tottenham HotspurTOT | → | Derby CountyDER | Undisclosed |
| 03 Jan 14 | S. Dawkins Simon Dawkins | Tottenham HotspurTOT | → | Derby CountyDER | Undisclosed |