2003 Toronto Blue Jays season Game log June

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| June 21 | @ Expos | 8 - 5 | Politte (1-5) | 11483 | 42-32 |
| June 22 | @ Expos | 4 - 2 | Hernández (6-6) | 15508 | 43-32 |
| June 23 | Orioles | 13 - 4 | Daal (4-9) | 17555 | 44-32 |
| June 24 | Orioles | 6 - 4 | Escobar (5-4) | 17425 | 44-33 |
| June 25 | Orioles | 9 - 2 | Lidle (10-5) | 37248 | 44-34 |
| June 26 | Orioles | 13 - 8 | Driskill (1-3) | 19098 | 45-34 |
| June 27 | Expos | 6 - 5 | Manon (0-1) | 24024 | 46-34 |
| June 28 | Expos | 4 - 2 | Davis (4-5) | 33334 | 46-35 |
| June 29 | Expos | 10 - 2 | Escobar (5-5) | 37354 | 46-36 |
| June 30 | @ Tigers | 6 - 2 | Lidle (10-6) | 13353 | 46-37 |