2003 Toronto Blue Jays season Game log July

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| July 22 | @ Yankees | Postponed (rain) Rescheduled for September 8 | Postponed (rain) Rescheduled for September 8 | Postponed (rain) Rescheduled for September 8 | Postponed (rain) Rescheduled for September 8 |
| July 23 | White Sox | 7 - 6 | Acevedo (1-4) | 20320 | 52-49 |
| July 24 | White Sox | 4 - 3 (13) | Sturtze (6-5) | 18438 | 52-50 |
| July 25 | Orioles | 5 - 3 | Johnson (8-5) | 17095 | 53-50 |
| July 26 | Orioles | 7 - 2 | Hendrickson (6-7) | 23168 | 53-51 |
| July 27 | Orioles | 10 - 1 | López (3-6) | 21787 | 54-51 |
| July 29 | Devil Rays | 9 - 8 | Miller (1-2) | 21007 | 54-52 |
| July 30 | Devil Rays | 5 - 3 | Lidle (11-9) | 21068 | 54-53 |
| July 31 | Devil Rays | 7 - 6 | Hendrickson (6-8) | 29544 | 54-54 |