| Italian Serie A |
| No. | Date | Ven | Opponent | Result | HT | Scorers | Attend |
| 1 | 31-Aug-03 | A | Udinese | W | 2-1 | (1-1) | M Delvecchio 13; V Montella 70 | 17,054 |
| 2 | 14-Sep-03 | H | Brescia | W | 5-0 | (3-0) | V Montella 11; C Chivu 16; F Totti 23, 58; J Carew 89p | 50,000 |
| 3 | 21-Sep-03 | A | Juventus | D | 2-2 | (1-2) | C Chivu 25; J Zebina 87 | 43,042 |
| 4 | 28-Sep-03 | H | Ancona | W | 3-0 | (0-0) | V Montella 48; F Totti 78; M Delvecchio 86 | 62,150 |
| 5 | 05-Oct-03 | A | Siena | D | 0-0 | (0-0) | | 13,310 |
| 6 | 19-Oct-03 | H | Parma | W | 2-0 | (1-0) | W Samuel 29; A Cassano 61 | 54,531 |
| 7 | 26-Oct-03 | A | Internazionale | D | 0-0 | (0-0) | | 68,641 |
| 8 | 02-Nov-03 | H | Reggina | W | 2-0 | (1-0) | V Montella 18; J Carew 81 | 52,050 |
| 9 | 09-Nov-03 | H | Lazio | W | 2-0 | (0-0) | Mancini 81; Emerson 86 | 70,000 |
| 10 | 23-Nov-03 | A | Bologna | W | 4-0 | (3-0) | F Totti 16; V Montella 33; C Panucci 38; A Cassano 49 | 27,495 |
| 11 | 30-Nov-03 | H | Lecce | W | 3-1 | (2-0) | Mancini 19; J Carew 45; F Totti 77 | 51,591 |
| 12 | 07-Dec-03 | A | Chievo Verona | W | 3-0 | (0-0) | F Totti 67; Mancini 70; A Cassano 72 | 19,023 |
| 13 | 14-Dec-03 | H | Modena | W | 1-0 | (1-0) | F Totti 8p | 47,046 |
| 14 | 20-Dec-03 | A | Empoli | W | 2-0 | (2-0) | F Totti 23p, 45 | 12,124 |
| 15 | 06-Jan-04 | H | Milan | L | 1-2 | (1-1) | A Cassano 45 | 73,383 |
| 16 | 11-Jan-04 | A | Perugia | W | 1-0 | (1-0) | Mancini 2 | 18,796 |
| 17 | 18-Jan-04 | H | Sampdoria | W | 3-1 | (1-1) | J Carew 10; F Totti 61, 67 | 51,813 |
| 18 | 25-Jan-04 | H | Udinese | D | 1-1 | (1-0) | C Panucci 15 | 44,882 |
| 19 | 31-Jan-04 | A | Brescia | L | 0-1 | (0-1) | | 15,005 |
| 20 | 08-Feb-04 | H | Juventus | W | 4-0 | (1-0) | O Dacourt 13; F Totti 53p; A Cassano 70, 85 | 73,325 |
| 21 | 15-Feb-04 | A | Ancona | D | 0-0 | (0-0) | | 20,850 |
| 22 | 22-Feb-04 | H | Siena | W | 6-0 | (3-0) | A Cassano 20, 25, 71; Mancini 31; M Delvecchio 82; F Totti 87 | 49,579 |
| 23 | 29-Feb-04 | A | Parma | W | 4-1 | (1-1) | A Cassano 45; Emerson 52; F Totti 70; Mancini 77 | 19,031 |
| 24 | 07-Mar-04 | H | Internazionale | W | 4-1 | (1-0) | A Cassano 45; Mancini 63, 90; F Totti 90 | 59,508 |
| 25 | 14-Mar-04 | A | Reggina | D | 0-0 | (0-0) | | 21,286 |
| 26 | 28-Mar-04 | H | Bologna | L | 1-2 | (1-1) | A Cassano 33 | 44,123 |
| 27 | 04-Apr-04 | A | Lecce | W | 3-0 | (0-0) | Emerson 50; C Bovo(og) 54; F Totti 90p | 16,266 |
| 28 | 10-Apr-04 | N | Chievo Verona | W | 3-1 | (1-1) | J Carew 29; A Cassano 60; A Barzagli(og) 78 | 40,915 |
| 29 | 18-Apr-04 | A | Modena | W | 1-0 | (0-0) | F Totti 55 | 15,690 |
| 30 | 21-Apr-04 | A | Lazio | D | 1-1 | (0-1) | F Totti 61p | 51,590 |
| 31 | 25-Apr-04 | N | Empoli | W | 3-0 | (1-0) | F Totti 41, 89; J Carew 65 | 48,456 |
| 32 | 02-May-04 | A | Milan | L | 0-1 | (0-1) | | 76,647 |
| 33 | 09-May-04 | N | Perugia | L | 1-3 | (1-2) | A Cassano 12 | 5,000 |
| 34 | 16-May-04 | A | Sampdoria | D | 0-0 | (0-0) | | 25,152 |
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| Italian Cup |
| Date | Ven | Opponent | Result | HT | Scorers | Attend |
| 2 L1 | 04-Dec-03 | H | Palermo | W | 1-0 | (1-0) | M Delvecchio 41 | 8,647 |
| 2 L2 | 17-Dec-03 | A | Palermo | W | 2-1 | (0-1) | D Tommasi 69; M Delvecchio 80 | 31,424 |
| QF L1 | 14-Jan-04 | A | Milan | L | 1-2 | (0-1) | J Carew 78 | 9,325 |
| QF L2 | 22-Jan-04 | H | Milan | L | 1-2 | (0-0) | Mancini 81 | 49,136 |
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| UEFA Cup |
| Date | Ven | Opponent | Result | HT | Scorers | Attend |
| 1 L1 | 24-Sep-03 | H | Vardar Skopje | W | 4-0 | (2-0) | T Dellas 12; D De Rossi 20; J Carew 54; M Delvecchio 90 | 17,082 |
| 1 L2 | 15-Oct-03 | A | Vardar Skopje | D | 1-1 | (0-1) | Mancini 63 | 7,000 |
| 2 L1 | 06-Nov-03 | H | Hajduk Split | W | 1-0 | (0-0) | A Cassano 90 | 31,000 |
| 2 L2 | 27-Nov-03 | A | Hajduk Split | D | 1-1 | (0-1) | A Cassano 85 | 35,000 |
| 3 L1 | 26-Feb-04 | A | Gaziantepspor | L | 0-1 | (0-1) | | 17,000 |
| 3 L2 | 03-Mar-04 | H | Gaziantepspor | W | 2-0 | (2-0) | Emerson 23; A Cassano 43 | 11,191 |
| 4 L1 | 11-Mar-04 | A | Villarreal | L | 0-2 | (0-2) | | 23,000 |
| 4 L2 | 25-Mar-04 | H | Villarreal | W | 2-1 | (1-0) | Emerson 10; A Cassano 50 | 29,088 |
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Home and away results against each team, listed in the current league table standings