| 02 Sept 13 | E. Schelotto Ezequiel Schelotto |  InternazionaleINT | → |  SassuoloSAS | Loan |
| 02 Sept 13 | J. Obi Joel Obi | InternazionaleINT | → |  ParmaPAR | Loan |
| 01 Sept 13 | W. Gargano Walter Gargano | InternazionaleINT | → | ParmaPAR | Loan |
| 29 Aug 13 | E. Schelotto Ezequiel Schelotto | InternazionaleINT | → | SassuoloSAS | Loan |
| 20 Aug 13 | S. Taïder Saphir Taïder |  BolognaBOL | → | InternazionaleINT | Undisclosed |
| 13 Aug 13 | W. Oliveira Wallace Oliveira |  ChelseaCHE | → | InternazionaleINT | Loan |
| 13 Aug 13 | W. Oliveira Wallace Oliveira | ChelseaCHE | → | InternazionaleINT | Loan |
| 10 Aug 13 | Rolando |  FC PortoPOR | → | InternazionaleINT | Loan |
| 01 Aug 13 | D. Laxalt Diego Laxalt |  Defensor SportingDSC | → | InternazionaleINT | Undisclosed |
| 30 Jul 13 | M. Silvestre Matías Silvestre | InternazionaleINT | → |  AC MilanMIL | Loan |
| 06 Jul 13 | H. Campagnaro Hugo Campagnaro |  NapoliNAP | → | InternazionaleINT | Free |
| 06 Jul 13 | M. Andreolli Marco Andreolli |  Chievo VeronaCVO | → | InternazionaleINT | Free |
| 05 Jul 13 | I. Belfodil Ishak Belfodil | ParmaPAR | → | InternazionaleINT | Undisclosed |
| 03 Jul 13 | A. Cassano Antonio Cassano | InternazionaleINT | → | ParmaPAR | Undisclosed |
| 01 Jul 13 | G. Donati Giulio Donati | InternazionaleINT | → |  Bayer LeverkusenLEV | Undisclosed |
| 01 Jul 13 | G. Donati Giulio Donati | InternazionaleINT | → | Bayer LeverkusenLEV | Undisclosed |
| 01 Jul 13 | M. Andreolli Marco Andreolli | Chievo VeronaCVO | → | InternazionaleINT | Free |
| 26 Jun 13 | L. Caldirola Luca Caldirola | InternazionaleINT | → |  Werder BremenWER | Undisclosed |
| 26 Jun 13 | L. Caldirola Luca Caldirola | InternazionaleINT | → | Werder BremenWER | Undisclosed |
| 22 Jun 13 | Giulio Donati | InternazionaleINT | → | Bayer LeverkusenLEV | Undisclosed |
| 22 Jun 13 | Giulio Donati | InternazionaleINT | → | Bayer LeverkusenLEV | Undisclosed |
| 31 Jan 13 | J. Carrizo Juan Carrizo |  LazioLAZ | → | InternazionaleINT | Loan |
| 31 Jan 13 | E. Schelotto Ezequiel Schelotto |  AtalantaATA | → | InternazionaleINT | Undisclosed |
| 31 Jan 13 | Z. Kuzmanovic Zdravko Kuzmanovic |  VfB StuttgartVFB | → | InternazionaleINT | Undisclosed |
| 31 Jan 13 | Mateo Kovacic | DZXDinamo ZagrebDinamo Zagreb | → | InternazionaleINT | 11000000 |
| 31 Jan 13 | Z. Kuzmanovic Zdravko Kuzmanovic | VfB StuttgartVFB | → | InternazionaleINT | Undisclosed |
| 31 Jan 13 | M. Livaja Marko Livaja | InternazionaleINT | → | AtalantaATA | Co-ownership |
| 31 Jan 13 | M. Mariga McDonald Mariga | InternazionaleINT | → | ParmaPAR | Loan |
| 30 Jan 13 | P. Coutinho Philippe Coutinho | InternazionaleINT | → |  LiverpoolLIV | Undisclosed |
| 30 Jan 13 | P. Coutinho Philippe Coutinho | InternazionaleINT | → | LiverpoolLIV | Undisclosed |
| 30 Jan 13 | D. Laxalt Diego Laxalt | Defensor SportingDSC | → | InternazionaleINT | Undisclosed |
| 25 Jan 13 | M. Knudsen Morten Knudsen |  FC MidtjyllandMIDT | → | InternazionaleINT | Undisclosed |
| 22 Jan 13 | W. Sneijder Wesley Sneijder | InternazionaleINT | → |  GalatasarayGAL | Undisclosed |
| 10 Jan 13 | M. Cincilla Matteo Cincilla | InternazionaleINT | → | ParmaPAR | Undisclosed |
| 10 Jan 13 | Manuel Gullotta | ASFA.S.D Sarnico F.CA.S.D Sarnico F.C | → | InternazionaleINT | Undisclosed |
| 10 Jan 13 | Manuel Gullotta | InternazionaleINT | → |  BresciaBRE | Loan |
| 04 Jan 13 | T. Rocchi Tommaso Rocchi | LazioLAZ | → | InternazionaleINT | Free |