2003 Cleveland Indians season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 13 | Mariners | 8 - 3 | Anderson (2-4) | 16721 | 11-26 |
| May 14 | Mariners | 7 - 2 | García (3-5) | 17324 | 12-26 |
| May 15 | Mariners | 9 - 1 | Westbrook (2-3) | 17889 | 12-27 |
| May 16 | Athletics | 3 - 2 | Mulder (6-2) | 22357 | 13-27 |
| May 17 | Athletics | 4 - 2 | Rincón (3-3) | 23958 | 14-27 |
| May 18 | Athletics | 8 - 5 | Báez (0-4) | 25421 | 14-28 |
| May 19 | Tigers | 10 - 9 | Walker (1-1) | 16492 | 15-28 |
| May 20 | Tigers | 6 - 4 | Roney (0-1) | 15499 | 16-28 |
| May 21 | Tigers | 4 - 0 | Bonderman (2-7) | 16534 | 17-28 |
| May 22 | Tigers | 3 - 2 (11) | Phillips (0-1) | 18347 | 17-29 |