Sunday 20th January 2013
| | Player | | From | | To | | Amount | |
| Djibril Cisse | | Queens Park Rangers | | Al Gharafa | | Loan | |
|
Saturday 19th January 2013
| | Player | | From | | To | | Amount | |
| Eduardo Vargas | | Napoli | | Gremio | | Loan | |
|
| Vegard Forren | | Molde | | Southampton | | Undisclosed | |
|
| Nicola Pozzi | | Sampdoria | | Siena | | Loan | |
|
| Ruben Olivera | | Fiorentina | | Genoa | | Loan | |
|
| Marcelo Larrondo | | Siena | | Fiorentina | | Loan | |
|
| Carlos Aranda | | Real Zaragoza | | Granada | | £500,000 | |
|
| Danny Wilson | | Liverpool | | Hearts | | Loan | |
|
Thursday 17th January 2013
| | Player | | From | | To | | Amount | |
| Matias Campos | | Udinese | | Granada | | Undisclosed | |
|
| Martin Petrov | | Bolton | | Espanyol | | Undisclosed | |
|
| Joel Robles | | Atletico Madrid | | Wigan | | Loan | |
|
| Maurice Edu | | Stoke | | Bursaspor | | Loan | |
|
| Tom Rogic | | Central Coast Mariners | | Celtic | | Undisclosed | |
|
Wednesday 16th January 2013
| | Player | | From | | To | | Amount | |
| Raffael | | Dynamo Kiev | | Schalke | | Loan | |
|
| Loic Remy | | Marseille | | QPR | | Undisclosed | |
|
Tuesday 15th January 2013
| | Player | | From | | To | | Amount | |
| Kader Mangane | | Al-Hilal | | Sunderland | | Loan | |
|
| Roland Lamah | | Osasuna | | Swansea | | Loan | |
|
| Lucas Piazón | | Chelsea | | Malaga | | Loan | |
|
Sunday 13th January 2013
| | Player | | From | | To | | Amount | |
| Franca | | Coritiba FC | | Hannover | | Und | |
|
Saturday 12th January 2013
| | Player | | From | | To | | Amount | |
| Nuri Sahin | | Real Madrid | | Borussia Dortmund | | Loan | |
|
| Taison | | Metalist Kharkiv | | Shakhtar Donetsk | | $20million | |
|
| Wellington Paulista | | Cruzeiro | | West Ham | | Loan | |
|
| Stephen Kelly | | Fulham | | Reading | | Undisclosed | |
|
Wednesday 9th January 2013
| | Player | | From | | To | | Amount | |
| Antonio Luna | | Sevilla | | Real Mallorca | | Loan | |
|
| Hope Akpan | | Crawley | | Reading | | Undisclosed | |
|
| Alfred N'Diaye | | Bursaspor | | Sunderland | | Undisclosed | |
|
Tuesday 8th January 2013
| | Player | | From | | To | | Amount | |
| Kieron Dyer | | QPR | | - | | Released | |
|
| Dedryck Boyata | | FC Twente | | Manchester City | | End of loan | |
|
Monday 7th January 2013
| | Player | | From | | To | | Amount | |
| Paulo Assunção | | - | | Deportivo de La Coruña | | Free transfer | |
|
Sunday 6th January 2013
| | Player | | From | | To | | Amount | |
| Ivan Perisic | | Borussia Dortmund | | Wolfsburg | | Undisclosed | |
|
Saturday 5th January 2013
| | Player | | From | | To | | Amount | |
| Marouane Chamakh | | Arsenal | | West Ham | | Loan | |
|
| David McGoldrick | | Ipswich | | Nottingham Forest | | Loan | |
|
| Aaron Mclean | | Hull | | Ipswich | | Loan | |
|
| Darren Ward | | Millwall | | Swindon | | Free | |
|
| Johan Djourou | | Arsenal | | Hannover | | Loan | |
|
Friday 4th January 2013
| | Player | | From | | To | | Amount | |
| Joe Cole | | Liverpool | | West Ham | | Free Transfer | |
|
| Tommaso Rocchi | | Lazio | | Inter Milan | | Undisclosed | |
|
| Mathieu Debuchy | | Lille | | Newcastle | | £5million | |
|
| Jan Kirchhoff | | Mainz | | Bayern Munich | | Free | |
|
| Demba Ba | | Newcastle | | Chelsea | | £7million | |
|
| Roger Espinoza | | Kansas City Wizards | | Wigan Athletic | | Undisclosed | |
|
| Chris David | | Twente | | Fulham | | Undisclosed | |
|
Thursday 3rd January 2013
| | Player | | From | | To | | Amount | |
| Vadim Demidov | | Eintracht Frankfurt | | Celta Vigo | | Loan | |
|
| Mitchell Weiser | | Bayern Munich | | Kaiserslautern | | Loan | |
|
| Alexandre Pato | | AC Milan | | Corinthians | | £12.2 million | |
|
| Sean Maguire | | Waterford United | | West Ham | | Undisclosed | |
|
| Zeki Fryers | | Standard Liege | | Tottenham | | Undisclosed | |
|
| Raul Bobadilla | | Young Boys | | Basel | | Undisclosed | |
|
Wednesday 2nd January 2013
| | Player | | From | | To | | Amount | |
| Carlo Cudicini | | Tottenham | | LA Galaxy | | Free | |
|
| Angelo Henriquez | | Manchester United | | Wigan Athletic | | Loan | |
|
