| 27 Sept 12 | S. Watt Sanchez Watt |  ArsenalARS | → |  Colchester UnitedCOL | Loan |
| 27 Sept 12 | C. Eastmond Craig Eastmond | ArsenalARS | → | Colchester UnitedCOL | Loan |
| 21 Sept 12 | C. Henderson Conor Henderson | ArsenalARS | → |  Coventry CityCOV | Loan |
| 08 Sept 12 | C. Aneke Chuks Aneke | ArsenalARS | → |  Crewe AlexandraCREW | Loan |
| 31 Aug 12 | P. Chu-Young Park Chu-Young | ArsenalARS | → |  Celta VigoCEL | Loan |
| 31 Aug 12 | P. Roberts Philip Roberts | ArsenalARS | → |  Inverness Caledonian ThistleICT | Loan |
| 31 Aug 12 | P. Chu-Young Park Chu-Young | ArsenalARS | → | Celta VigoCEL | Loan |
| 31 Aug 12 | N. Bendtner Nicklas Bendtner | ArsenalARS | → |  JuventusJUV | Loan |
| 31 Aug 12 | N. Bendtner Nicklas Bendtner | ArsenalARS | → | JuventusJUV | Loan |
| 31 Aug 12 | P. Roberts Philip Roberts | ArsenalARS | → | Inverness Caledonian ThistleICT | Loan |
| 28 Aug 12 | H. Lansbury Henri Lansbury | ArsenalARS | → |  Nottingham ForestFOR | Undisclosed |
| 28 Aug 12 | H. Lansbury Henri Lansbury | ArsenalARS | → | Nottingham ForestFOR | Undisclosed |
| 28 Aug 12 | D. Boateng Daniel Boateng | ArsenalARS | → |  Oxford UnitedOXF | Loan |
| 20 Aug 12 | A. Song Alex Song | ArsenalARS | → |  BarcelonaBAR | Undisclosed |
| 20 Aug 12 | A. Song Alex Song | ArsenalARS | → | BarcelonaBAR | Undisclosed |
| 17 Aug 12 | R. van Persie Robin van Persie | ArsenalARS | → |  Manchester UnitedMAN | Undisclosed |
| 16 Aug 12 | K. Bartley Kyle Bartley | ArsenalARS | → |  Swansea CitySWA | Undisclosed |
| 13 Aug 12 | R. Miyaichi Ryo Miyaichi | ArsenalARS | → |  Wigan AthleticWGA | Loan |
| 10 Aug 12 | C. Vela Carlos Vela | ArsenalARS | → |  Real SociedadRSO | Undisclosed |
| 10 Aug 12 | C. Vela Carlos Vela | ArsenalARS | → | Real SociedadRSO | Undisclosed |
| 07 Aug 12 | S. Cazorla Santi Cazorla |  MálagaMCF | → | ArsenalARS | Undisclosed |
| 07 Aug 12 | S. Cazorla Santi Cazorla | MálagaMCF | → | ArsenalARS | Undisclosed |
| 03 Aug 12 | B. Afobe Benik Afobe | ArsenalARS | → |  Bolton WanderersBOL | Loan |
| 03 Aug 12 | B. Afobe Benik Afobe | ArsenalARS | → | Bolton WanderersBOL | Loan |
| 30 Jul 12 | M. Almunia Manuel Almunia | ArsenalARS | → |  WatfordWAT | Free |
| 30 Jul 12 | M. Almunia Manuel Almunia | ArsenalARS | → | WatfordWAT | Free |
| 25 Jul 12 | P. Silva Botelho Pedro Botelho | ArsenalARS | → |  Athletico-PRCAP | Undisclosed |
| 10 Jul 12 | G. Hoyte Gavin Hoyte | ArsenalARS | → |  Dagenham & RedbridgeD&R | Free |
| 06 Jul 12 | D. Pereira Neves Denilson | ArsenalARS | → |  São PauloSAO | Loan |
| 06 Jul 12 | D. Pereira Neves Denilson | ArsenalARS | → | São PauloSAO | Loan |
| 01 Jul 12 | O. Giroud Olivier Giroud |  MontpellierMONT | → | ArsenalARS | Undisclosed |
| 01 Jul 12 | L. Podolski Lukas Podolski |  FC CologneCOL | → | ArsenalARS | Undisclosed |
| 01 Jul 12 | Jeffrey Monakana | ArsenalARS | → |  Preston North EndPNE | Free |
| 01 Jul 12 | L. Podolski Lukas Podolski | FC CologneCOL | → | ArsenalARS | Undisclosed |
| 01 Jul 12 | O. Giroud Olivier Giroud | MontpellierMONT | → | ArsenalARS | Undisclosed |
| 27 Jun 12 | T. Cruise Tom Cruise | ArsenalARS | → |  Torquay UnitedTQU | Free |
| 04 May 12 | E. Martínez Emiliano Martínez | ArsenalARS | → | Oxford UnitedOXF | Loan |
| 22 Mar 12 | B. Afobe Benik Afobe | ArsenalARS | → |  ReadingREA | Loan |
| 22 Mar 12 | L. Ke Li Ke | ArsenalARS | → |  Notts CountyNOTT | Loan |
| 22 Mar 12 | C. Aneke Chuks Aneke | ArsenalARS | → | Preston North EndPNE | Loan |
| 22 Mar 12 | B. Afobe Benik Afobe | ArsenalARS | → | ReadingREA | Loan |
| 24 Feb 12 | A. Arshavin Andrey Arshavin | ArsenalARS | → |  Zenit St PetersburgZEN | Loan |
| 21 Feb 12 | C. Eastmond Craig Eastmond | ArsenalARS | → |  Wycombe WanderersWYC | Loan |
| 31 Jan 12 | T. Eisfeld Thomas Eisfeld |  Borussia DortmundDOR | → | ArsenalARS | Undisclosed |
| 31 Jan 12 | R. Miyaichi Ryo Miyaichi | ArsenalARS | → | Bolton WanderersBOL | Loan |
| 31 Jan 12 | T. Eisfeld Thomas Eisfeld | Borussia DortmundDOR | → | ArsenalARS | Undisclosed |
| 30 Jan 12 | R. Murphy Rhys Murphy | ArsenalARS | → | Preston North EndPNE | Loan |
| 27 Jan 12 | G. Hoyte Gavin Hoyte | ArsenalARS | → |  Crawley TownCRA | Loan |
| 26 Jan 12 | S. Watt Sanchez Watt | ArsenalARS | → | Crawley TownCRA | Loan |
| 20 Jan 12 | W. Silva Wellington Silva | ArsenalARS | → | AXXAlcoyanoALC | Loan |
| 20 Jan 12 | D. Boateng Daniel Boateng | ArsenalARS | → |  Swindon TownSWI | Loan |
| 18 Jan 12 | S. Hajrovic Sead Hajrovic | ArsenalARS | → |  BarnetBAR | Loan |
| 10 Jan 12 | L. Freeman Luke Freeman | ArsenalARS | → |  StevenageSTE | Undisclosed |
| 06 Jan 12 | T. Henry Thierry Henry |  New York Red BullsNY | → | ArsenalARS | Loan |
| 06 Jan 12 | T. Henry Thierry Henry | New York Red BullsNY | → | ArsenalARS | Loan |
| 04 Jan 12 | V. Mannone Vito Mannone | ArsenalARS | → |  Hull CityHUL | Loan |
| 04 Jan 12 | V. Mannone Vito Mannone | ArsenalARS | → | Hull CityHUL | Loan |
| 01 Jan 12 | E. Frimpong Emmanuel Frimpong | ArsenalARS | → |  Wolverhampton WanderersWOL | Loan |