| 06 Oct 20 | João Mário |  InternazionaleINT | → |  Sporting CPSCP | Loan |
| 05 Oct 20 | S. Long Sam Long | InternazionaleINT | → |  VicenzaVIC | Undisclosed |
| 05 Oct 20 | L. Pirola Lorenzo Pirola | InternazionaleINT | → |  MonzaMON | Loan |
| 05 Oct 20 | M. Darmian Matteo Darmian |  ParmaPAR | → | InternazionaleINT | Loan |
| 04 Oct 20 | Dalbert | InternazionaleINT | → |  Stade RennaisREN | Loan |
| 04 Oct 20 | Dalbert | InternazionaleINT | → | Stade RennaisREN | Loan |
| 01 Oct 20 | G. Vagiannidis Georgios Vagiannidis | InternazionaleINT | → |  Sint-TruidenseSTVV | Loan |
| 25 Sept 20 | A. Candreva Antonio Candreva | InternazionaleINT | → |  SampdoriaSAM | Loan |
| 25 Sept 20 | A. Gravillon Andreaw Gravillon | InternazionaleINT | → |  LorientLOR | Loan |
| 25 Sept 20 | A. Gravillon Andreaw Gravillon | InternazionaleINT | → | LorientLOR | Loan |
| 25 Sept 20 | S. Esposito Sebastiano Esposito | InternazionaleINT | → |  SPALSPAL | Loan |
| 25 Sept 20 | E. Salcedo Eddie Salcedo | InternazionaleINT | → |  Hellas VeronaVER | Loan |
| 25 Sept 20 | D. Males Darian Males | InternazionaleINT | → |  GenoaGEN | Loan |
| 24 Sept 20 | D. Godín Diego Godín | InternazionaleINT | → |  CagliariCAG | Free |
| 24 Sept 20 | L. Agoumé Lucien Agoumé | InternazionaleINT | → |  SpeziaSPE | Loan |
| 22 Sept 20 | A. Vidal Arturo Vidal |  BarcelonaBAR | → | InternazionaleINT | Undisclosed |
| 22 Sept 20 | A. Vidal Arturo Vidal | BarcelonaBAR | → | InternazionaleINT | Undisclosed |
| 18 Sept 20 | A. Pinamonti Andrea Pinamonti | GenoaGEN | → | InternazionaleINT | Undisclosed |
| 17 Sept 20 | E. Vergani Edoardo Vergani | InternazionaleINT | → | GenoaGEN | Loan |
| 16 Sept 20 | D. Males Darian Males |  FC LuzernFCL | → | InternazionaleINT | Undisclosed |
| 08 Sept 20 | A. Kolarov Aleksandar Kolarov |  AS RomaROMA | → | InternazionaleINT | Undisclosed |
| 31 Aug 20 | G. Brazão Gabriel Brazão | InternazionaleINT | → |  Real OviedoOVI | Loan |
| 20 Aug 20 | V. Lazaro Valentino Lazaro | InternazionaleINT | → |  Borussia MonchengladbachMON | Loan |
| 20 Aug 20 | V. Lazaro Valentino Lazaro | InternazionaleINT | → | Borussia MonchengladbachMON | Loan |
| 08 Aug 20 | X. Emmers Xian Emmers | InternazionaleINT | → |  Almere CityALM | Loan |
| 06 Aug 20 | A. Sánchez Alexis Sánchez |  Manchester UnitedMAN | → | InternazionaleINT | Free |
| 06 Aug 20 | A. Sánchez Alexis Sánchez | Manchester UnitedMAN | → | InternazionaleINT | Free |
| 02 Jul 20 | A. Hakimi Achraf Hakimi |  Real MadridMAD | → | InternazionaleINT | Undisclosed |
| 02 Jul 20 | A. Hakimi Achraf Hakimi | Real MadridMAD | → | InternazionaleINT | Undisclosed |
| 01 Jul 20 | M. Icardi Mauro Icardi | InternazionaleINT | → |  Paris Saint-Germain PSG | Undisclosed |
| 01 Jul 20 | N. Barella Nicolò Barella | CagliariCAG | → | InternazionaleINT | Undisclosed |
| 01 Jul 20 | A. Pinamonti Andrea Pinamonti | InternazionaleINT | → | GenoaGEN | Undisclosed |
| 01 Jul 20 | Y. Karamoh Yann Karamoh | InternazionaleINT | → | ParmaPAR | Undisclosed |
| 01 Jul 20 | M. Icardi Mauro Icardi | InternazionaleINT | → | Paris Saint-Germain PSG | Undisclosed |
| 31 Jan 20 | F. Dimarco Federico Dimarco | InternazionaleINT | → | Hellas VeronaVER | Loan |
| 31 Jan 20 | S. Long Sam Long | InternazionaleINT | → |  VeneziaVEN | Loan |
| 31 Jan 20 | M. Pompetti Marco Pompetti | InternazionaleINT | → |  PisaPISA | Loan |
| 30 Jan 20 | I. Radu Ionut Radu | InternazionaleINT | → | ParmaPAR | Loan |
| 28 Jan 20 | G. Barbosa Gabriel Barbosa | InternazionaleINT | → |  FlamengoFLA | Undisclosed |
| 28 Jan 20 | C. Eriksen Christian Eriksen |  Tottenham HotspurTOT | → | InternazionaleINT | Undisclosed |
| 28 Jan 20 | G. Barbosa Gabriel Barbosa | InternazionaleINT | → | FlamengoFLA | Undisclosed |
| 28 Jan 20 | M. Politano Matteo Politano | InternazionaleINT | → |  NapoliNAP | Loan |
| 28 Jan 20 | C. Eriksen Christian Eriksen | Tottenham HotspurTOT | → | InternazionaleINT | Undisclosed |
| 24 Jan 20 | V. Lazar Valentino Lazar | InternazionaleINT | → |  Newcastle UnitedNEW | Loan |
| 24 Jan 20 | V. Lazar Valentino Lazar | InternazionaleINT | → | Newcastle UnitedNEW | Loan |
| 23 Jan 20 | V. Moses Victor Moses |  ChelseaCHE | → | InternazionaleINT | Loan |
| 23 Jan 20 | V. Moses Victor Moses | ChelseaCHE | → | InternazionaleINT | Loan |
| 17 Jan 20 | A. Young Ashley Young | Manchester UnitedMAN | → | InternazionaleINT | Undisclosed |
| 17 Jan 20 | A. Young Ashley Young | Manchester UnitedMAN | → | InternazionaleINT | Undisclosed |
| 15 Jan 20 | L. Gavioli Lorenzo Gavioli | InternazionaleINT | → | RXXRavennaRavenna | Loan |