1978 Toronto Blue Jays season Game log July

| Date_ | Opponent | Score | Loss | Record |
|---|---|---|---|---|
| July 14 | @ Angels | 3–2 (11) | Willis (1–4) | 32–55 |
| July 15 | @ Athletics | 3–2 | Underwood (5–9) | 32–56 |
| July 16 | @ Athletics | 8–5 | Willis (1–5) | 32–57 |
| July 17 | @ Athletics | 5–3 | Garvin (2–10) | 32–58 |
| July 18 | @ Mariners | 13–12 (10) | Pole (4–11) | 33–58 |
| July 19 | @ Mariners | 6–2 | Jefferson (6–8) | 33–59 |
| July 21 | Athletics | 7–2 | Moore (4–2) | 33–60 |
| July 21 | Athletics | 5–4 | Lacey (6–5) | 34–60 |
| July 22 | Athletics | 7–3 | Johnson (7–6) | 35–60 |
| July 23 | Athletics | 5–3 | Garvin (2–11) | 35–61 |
| July 24 | Mariners | 1–0 | Lemanczyk (3–12) | 35–62 |
| July 24 | Mariners | 7–2 | Jefferson (6–9) | 35–63 |
| July 25 | Mariners | 4–2 | Underwood (5–10) | 35–64 |
| July 26 | @ Twins | 5–1 | Goltz (9–7) | 36–64 |