| 19 Nov 15 | B. Turner Ben Turner |  Cardiff CityCAR | → |  Coventry CityCOV | Loan |
| 11 Nov 15 | A. Revell Alex Revell | Cardiff CityCAR | → |  Wigan AthleticWGA | Loan |
| 20 Oct 15 | B. Wilson Ben Wilson | Cardiff CityCAR | → |  AFC WimbledonWIM | Loan |
| 13 Oct 15 | J. Barnum-Bobb Jazzi Barnum-Bobb | Cardiff CityCAR | → |  Newport CountyNEW | Loan |
| 13 Oct 15 | T. O'Sullivan Tommy O'Sullivan | Cardiff CityCAR | → | Newport CountyNEW | Loan |
| 29 Sept 15 | S. Ajayi Semi Ajayi | Cardiff CityCAR | → | AFC WimbledonWIM | Loan |
| 01 Sept 15 | R. Healey Rhys Healey | Cardiff CityCAR | → |  DundeeDUN | Loan |
| 01 Sept 15 | R. Healey Rhys Healey | Cardiff CityCAR | → | DundeeDUN | Loan |
| 01 Sept 15 | E. Doyle Eoin Doyle | Cardiff CityCAR | → |  Preston North EndPNE | Loan |
| 31 Aug 15 | E. Velikonja Etien Velikonja | Cardiff CityCAR | → | LSXLierse SKLierse SK | Undisclosed |
| 31 Aug 15 | J. Guerra Javi Guerra | Cardiff CityCAR | → |  Rayo VallecanoRAY | Undisclosed |
| 31 Aug 15 | J. Guerra Javi Guerra | Cardiff CityCAR | → | Rayo VallecanoRAY | Undisclosed |
| 31 Aug 15 | I. Saadi Idriss Saadi |  Clermont FootCLER | → | Cardiff CityCAR | Undisclosed |
| 26 Aug 15 | G. Tamas Gabriel Tamas | XXX | → | Cardiff CityCAR | Free |
| 24 Aug 15 | J. Lewis Joe Lewis | Cardiff CityCAR | → |  FulhamFUL | Loan |
| 22 Aug 15 | K. Harris Kadeem Harris | Cardiff CityCAR | → |  BarnsleyBAR | Loan |
| 07 Aug 15 | D. Tutonda David Tutonda | Cardiff CityCAR | → |  York CityYORK | Loan |
| 04 Aug 15 | A. Le Fondre Adam Le Fondre | Cardiff CityCAR | → |  Wolverhampton WanderersWOL | Loan |
| 24 Jul 15 | D. Oshilaja Deji Oshilaja | Cardiff CityCAR | → |  GillinghamGIL | Loan |
| 14 Jul 15 | T. Adeyemi Tom Adeyemi | Cardiff CityCAR | → |  Leeds UnitedLEE | Loan |
| 07 Jul 15 | S. Ameobi Sammy Ameobi |  Newcastle UnitedNEW | → | Cardiff CityCAR | Loan |
| 07 Jul 15 | S. Ameobi Sammy Ameobi | Newcastle UnitedNEW | → | Cardiff CityCAR | Loan |
| 01 Jul 15 | K. Théophile-Catherine Kévin Théophile-Catherine | Cardiff CityCAR | → |  Saint-EtienneASSE | Undisclosed |
| 01 Jul 15 | S. Ajayi Semi Ajayi |  ArsenalARS | → | Cardiff CityCAR | Free |
| 01 Jul 15 | S. Ajayi Semi Ajayi | ArsenalARS | → | Cardiff CityCAR | Free |
| 01 Jul 15 | J. Yorwerth Josh Yorwerth | Cardiff CityCAR | → |  Ipswich TownIPS | Free |
| 01 Jul 15 | K. Théophile-Catherine Kévin Théophile-Catherine | Cardiff CityCAR | → | Saint-EtienneASSE | Undisclosed |
| 09 Jun 15 | C. Horton Charlie Horton | Cardiff CityCAR | → | Leeds UnitedLEE | Undisclosed |
| 26 Mar 15 | K. Jones Kenwyne Jones | Cardiff CityCAR | → |  AFC BournemouthBOU | Loan |
| 19 Mar 15 | M. Connolly Matthew Connolly | Cardiff CityCAR | → |  WatfordWAT | Loan |
| 12 Mar 15 | T. O'Sullivan Tommy O'Sullivan | Cardiff CityCAR | → |  Port ValeVALE | Loan |
| 06 Mar 15 | D. John Declan John | Cardiff CityCAR | → | BarnsleyBAR | Loan |
| 13 Feb 15 | D. Tutonda David Tutonda | Cardiff CityCAR | → | Newport CountyNEW | Loan |
| 02 Feb 15 | M. Kennedy Matthew Kennedy |  EvertonEVE | → | Cardiff CityCAR | Undisclosed |
| 02 Feb 15 | E. Doyle Eoin Doyle |  ChesterfieldCHES | → | Cardiff CityCAR | Undisclosed |
| 02 Feb 15 | Conor McAleny | EvertonEVE | → | Cardiff CityCAR | Loan |
| 02 Feb 15 | T. O'Sullivan Tommy O'Sullivan | Cardiff CityCAR | → | Port ValeVALE | Loan |
| 02 Feb 15 | Conor McAleny | EvertonEVE | → | Cardiff CityCAR | Loan |
| 02 Feb 15 | Danny Johnson | Cardiff CityCAR | → |  StevenageSTE | Loan |
| 02 Feb 15 | M. Kennedy Matthew Kennedy | EvertonEVE | → | Cardiff CityCAR | Undisclosed |
| 28 Jan 15 | S. O'Keefe Stuart O'Keefe |  Crystal PalaceCRY | → | Cardiff CityCAR | Undisclosed |
| 28 Jan 15 | S. O'Keefe Stuart O'Keefe | Crystal PalaceCRY | → | Cardiff CityCAR | Undisclosed |
| 26 Jan 15 | A. Le Fondre Adam Le Fondre | Cardiff CityCAR | → |  Bolton WanderersBOL | Loan |
| 24 Jan 15 | L. Peltier Lee Peltier |  Huddersfield TownHUD | → | Cardiff CityCAR | Undisclosed |
| 24 Jan 15 | J. Brayford John Brayford | Cardiff CityCAR | → |  Sheffield UnitedSHU | Undisclosed |
| 15 Jan 15 | J. Guerra Javier Guerra | Cardiff CityCAR | → |  MálagaMCF | Loan |
| 15 Jan 15 | J. Guerra Javier Guerra | Cardiff CityCAR | → | MálagaMCF | Loan |
| 09 Jan 15 | A. Revell Alex Revell |  Rotherham UnitedROT | → | Cardiff CityCAR | Undisclosed |
| 08 Jan 15 | D. Oshilaja Deji Oshilaja | Cardiff CityCAR | → | AFC WimbledonWIM | Loan |
| 08 Jan 15 | E. Velikonja Etien Velikonja | Cardiff CityCAR | → |  Lierse SKLierse SK | Loan |
| 07 Jan 15 | S. Malone Scott Malone |  MillwallMIL | → | Cardiff CityCAR | Undisclosed |
| 01 Jan 15 | M. Daehli Mats Daehli | Cardiff CityCAR | → |  SC FreiburgFREI | Undisclosed |
| 01 Jan 15 | M. Daehli Mats Daehli | Cardiff CityCAR | → | SC FreiburgFREI | Undisclosed |