1977 Toronto Blue Jays season Game log May

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| May 15 | @ Twins | 5–3 | Garvin (5–1) | 11401 | 14–20 |
| May 17 | @ Brewers | 3–1 | Haas (3–2) | 6810 | 15–20 |
| May 18 | @ Brewers | 3–2 (10) | Vuckovic (2–3) | 7208 | 15–21 |
| May 19 | @ Brewers | 5–3 | Singer (2–6) | 8469 | 15–22 |
| May 20 | @ Rangers | 4–3 | Blyleven (4–4) | 21965 | 16–22 |
| May 21 | @ Rangers | 9–6 | Briles (2–1) | 20351 | 17–22 |
| May 22 | @ Rangers | 7–4 | Lemanczyk (2–4) | 21831 | 17–23 |
| May 23 | Athletics | 3–0 | Vuckovic (2–4) | 27705 | 17–24 |
| May 25 | Athletics | 6–5 (10) | Garvin (6–2) | 36097 | 17–25 |
| May 27 | Angels | 4–1 | Johnson (1–2) | 24779 | 17–26 |
| May 28 | Angels | 6–4 | Simpson (3–4) | 30034 | 18–26 |
| May 29 | Angels | 3–2 | Lemanczyk (2–5) | 30009 | 18–27 |
| May 30 | Royals | 4–1 | Garvin (6–3) | 20002 | 18–28 |