1991 Toronto Blue Jays season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 11 | White Sox | 5 - 2 | Hough (0-2) | 50206 | 18-13 |
| May 12 | White Sox | 4 - 2 | Hibbard (2-1) | 50108 | 19-13 |
| May 13 | Royals | 4 - 2 | Davis (2-4) | 44275 | 20-13 |
| May 14 | Royals | 4 - 1 | Gubicza (0-1) | 43357 | 21-13 |
| May 15 | Royals | 6 - 4 | Boucher (0-3) | 50113 | 21-14 |
| May 17 | @ White Sox | 5 - 3 | Timlin (3-1) | 30095 | 21-15 |
| May 18 | @ White Sox | 9 - 2 | Hibbard (2-2) | 34861 | 22-15 |
| May 19 | @ White Sox | 5 - 4 | Timlin (3-2) | 41015 | 22-16 |
| May 20 | @ Athletics | 1 - 0 | Welch (4-3) | 24631 | 23-16 |
| May 21 | @ Athletics | 11 - 7 | Dressendorfer (3-3) | 22738 | 24-16 |