| 31 Aug 17 | R. Holden Rory Holden |  Derry CityDCFC | → |  Bristol CityBRC | Undisclosed |
| 31 Aug 17 | T. Bakinson Tyreeq Bakinson |  Luton TownLUT | → | Bristol CityBRC | Undisclosed |
| 31 Aug 17 | S. Golbourne Scott Golbourne | Bristol CityBRC | → |  Milton Keynes DonsMKD | Loan |
| 31 Aug 17 | L. Steele Luke Steele |  PanathinaikosPAO | → | Bristol CityBRC | Free |
| 30 Aug 17 | T. Moore Taylor Moore | Bristol CityBRC | → |  Cheltenham TownCHL | Loan |
| 30 Aug 17 | D. De Girolamo Diego De Girolamo | Bristol CityBRC | → |  ChesterfieldCHES | Loan |
| 30 Aug 17 | J. Morrell Joe Morrell | Bristol CityBRC | → | Cheltenham TownCHL | Loan |
| 30 Aug 17 | F. Hinds Freddy Hinds | Bristol CityBRC | → | Cheltenham TownCHL | Loan |
| 28 Aug 17 | J. Leko Jonathan Leko |  West Bromwich AlbionWBA | → | Bristol CityBRC | Loan |
| 28 Aug 17 | J. Leko Jonathan Leko | West Bromwich AlbionWBA | → | Bristol CityBRC | Loan |
| 17 Aug 17 | C. Woodrow Cauley Woodrow |  FulhamFUL | → | Bristol CityBRC | Loan |
| 08 Aug 17 | N. Eliasson Niclas Eliasson |  IFKIFK | → | Bristol CityBRC | Undisclosed |
| 03 Aug 17 | A. Wilbraham Aaron Wilbraham | Bristol CityBRC | → |  Bolton WanderersBOL | Undisclosed |
| 28 Jul 17 | N. Baker Nathan Baker |  Aston VillaAVL | → | Bristol CityBRC | Undisclosed |
| 13 Jul 17 | L. Tomlin Lee Tomlin | Bristol CityBRC | → |  Cardiff CityCAR | Undisclosed |
| 01 Jul 17 | F. Diedhiou Famara Diedhiou |  AngersANG | → | Bristol CityBRC | 5300000 |
| 01 Jul 17 | F. Diedhiou Famara Diedhiou | AngersANG | → | Bristol CityBRC | 5300000 |
| 01 Jul 17 | M. Little Mark Little | Bristol CityBRC | → | Bolton WanderersBOL | Free |
| 01 Jul 17 | E. Pisano Eros Pisano |  Hellas VeronaVER | → | Bristol CityBRC | Free |
| 31 Mar 17 | G. Engvall Gustav Engvall | Bristol CityBRC | → |  Djurgardens IFDJU | Loan |
| 31 Jan 17 | D. Cotterill David Cotterill |  Birmingham CityBIR | → | Bristol CityBRC | Loan |
| 31 Jan 17 | M. Taylor Matt Taylor |  Bristol RoversBRI | → | Bristol CityBRC | Undisclosed |
| 31 Jan 17 | Tin Plavotic | FPXFC PaschingFC Pasching | → | Bristol CityBRC | Undisclosed |
| 31 Jan 17 | F. Hinds Freddy Hinds | Luton TownLUT | → | Bristol CityBRC | Undisclosed |
| 31 Jan 17 | Tin Plavotic | Bristol CityBRC | → | Cheltenham TownCHL | Loan |
| 30 Jan 17 | I. Lucic Ivan Lucic | Bristol CityBRC | → |  AaBAaB | Loan |
| 30 Jan 17 | L. Freeman Luke Freeman | Bristol CityBRC | → |  Queens Park RangersQPR | Undisclosed |
| 19 Jan 17 | F. Giefer Fabian Giefer |  Schalke 04SCHA | → | Bristol CityBRC | Loan |
| 19 Jan 17 | F. Giefer Fabian Giefer | Schalke 04SCHA | → | Bristol CityBRC | Loan |
| 19 Jan 17 | R. O'Donnell Richard O'Donnell | Bristol CityBRC | → |  Rotherham UnitedROT | Undisclosed |
| 19 Jan 17 | W. Burns Wes Burns | Bristol CityBRC | → |  Fleetwood TownFLE | Undisclosed |
| 06 Jan 17 | B. Wright Bailey Wright |  Preston North EndPNE | → | Bristol CityBRC | Undisclosed |
| 06 Jan 17 | T. Moore Taylor Moore | Bristol CityBRC | → |  BuryBURY | Loan |
| 05 Jan 17 | M. Djuric Milan Djuric |  CesenaCES | → | Bristol CityBRC | Undisclosed |
| 04 Jan 17 | J. Hegeler Jens Hegeler |  Hertha BerlinHERT | → | Bristol CityBRC | Undisclosed |
| 04 Jan 17 | J. Hegeler Jens Hegeler | Hertha BerlinHERT | → | Bristol CityBRC | Undisclosed |
| 01 Jan 17 | D. De Girolamo Diego De Girolamo | Bristol CityBRC | → | Cheltenham TownCHL | Loan |