| 29 Aug 12 | B. Krkic Bojan Krkic |  AS RomaROMA | → |  AC MilanMIL | Loan |
| 15 Aug 12 | José Ángel | AS RomaROMA | → |  Real SociedadRSO | Undisclosed |
| 15 Aug 12 | José Ángel | AS RomaROMA | → | Real SociedadRSO | Undisclosed |
| 10 Aug 12 | G. Heinze Gabriel Heinze | AS RomaROMA | → |  Newell's Old BoysNOB | Free |
| 10 Aug 12 | G. Heinze Gabriel Heinze | AS RomaROMA | → | Newell's Old BoysNOB | Free |
| 24 Jul 12 | M. Destro Mattia Destro |  SienaSNA | → | AS RomaROMA | Undisclosed |
| 19 Jul 12 | A. Florenzi Alessandro Florenzi |  CrotoneCRO | → | AS RomaROMA | 1100000 |
| 19 Jul 12 | G. Caprari Gianluca Caprari | AS RomaROMA | → |  US PescaraPES | 1056000 |
| 19 Jul 12 | A. Stoian Adrian Stoian |  BariBAR | → | AS RomaROMA | 880000 |
| 19 Jul 12 | Tallo |  Chievo VeronaCVO | → | AS RomaROMA | 880000 |
| 19 Jul 12 | A. Stoian Adrian Stoian | AS RomaROMA | → | Chievo VeronaCVO | 440000 |
| 19 Jul 12 | S. Pettinari Stefano Pettinari | AS RomaROMA | → | CrotoneCRO | 220000 |
| 19 Jul 12 | A. Malomo Alessandro Malomo |  AlbinoleffeALB | → | AS RomaROMA | 88000 |
| 19 Jul 12 | Juan | AS RomaROMA | → |  InternacionalINT | Free |
| 19 Jul 12 | Vitorino Antunes | AS RomaROMA | → |  Paços de FerreiraPFC | Free |
| 19 Jul 12 | C. João de Cezare Cicinho | AS RomaROMA | → |  SportSPO | Free |
| 19 Jul 12 | M. Brighi Matteo Brighi |  AtalantaATA | → | AS RomaROMA | Loan |
| 19 Jul 12 | G. Curci Gianluca Curci | AS RomaROMA | → |  BolognaBOL | Loan |
| 19 Jul 12 | S. Kjaer Simon Kjaer | AS RomaROMA | → |  VfL WolfsburgWOB | Loan |
| 19 Jul 12 | Marquinho | AS RomaROMA | → |  FluminenseFLU | Loan |
| 19 Jul 12 | S. Okaka Stefano Okaka |  ParmaPAR | → | AS RomaROMA | Loan |
| 19 Jul 12 | D. Pizarro David Pizarro | MCXManchester CityManchester City | → | AS RomaROMA | Loan |
| 19 Jul 12 | Marquinho | AS RomaROMA | → | FluminenseFLU | Loan |
| 19 Jul 12 | Dodo |  CorinthiansCOR | → | AS RomaROMA | Free |
| 19 Jul 12 | F. Borini Fabio Borini | AS RomaROMA | → | LXXLiverpoolLiverpool | 11700000 |
| 19 Jul 12 | L. Castán Leandro Castán | CorinthiansCOR | → | AS RomaROMA | 4400000 |
| 19 Jul 12 | M. Bradley Michael Bradley | Chievo VeronaCVO | → | AS RomaROMA | 3300000 |
| 19 Jul 12 | Marquinho | FluminenseFLU | → | AS RomaROMA | 3000000 |
| 19 Jul 12 | L. Castán Leandro Castán | CorinthiansCOR | → | AS RomaROMA | 4400000 |
| 19 Jul 12 | Marquinho | FluminenseFLU | → | AS RomaROMA | 3000000 |
| 19 Jul 12 | Juan | AS RomaROMA | → | InternacionalINT | Free |
| 19 Jul 12 | Dodo | CorinthiansCOR | → | AS RomaROMA | Free |
| 19 Jul 12 | C. João de Cezare Cicinho | AS RomaROMA | → | SportSPO | Free |
| 19 Jul 12 | S. Kjaer Simon Kjaer | AS RomaROMA | → | VfL WolfsburgWOB | Loan |
| 18 Jul 12 | M. Borriello Marco Borriello |  JuventusJUV | → | AS RomaROMA | Loan |
| 13 Jul 12 | F. Borini Fabio Borini | AS RomaROMA | → |  LiverpoolLIV | Undisclosed |
| 13 Jul 12 | F. Borini Fabio Borini | AS RomaROMA | → | LiverpoolLIV | Undisclosed |
| 31 Jan 12 | D. Pizarro David Pizarro | AS RomaROMA | → |  Manchester CityMNC | Loan |
| 31 Jan 12 | D. Pizarro David Pizarro | AS RomaROMA | → | Manchester CityMNC | Loan |