1978 Toronto Blue Jays season Game log April

| Date_ | Opponent | Score | Loss | Attendance | Record |
|---|---|---|---|---|---|
| April 6 | @ Tigers | Postponed (rain) Rescheduled for April 7 | Postponed (rain) Rescheduled for April 7 | Postponed (rain) Rescheduled for April 7 | Postponed (rain) Rescheduled for April 7 |
| April 7 | @ Tigers | 6–2 | Lemanczyk (0–1) | 52528 | 0–1 |
| April 8 | @ Tigers | 5–2 | Slaton (0–1) | 12413 | 1–1 |
| April 9 | @ Tigers | 8–4 | Underwood (0–1) | 9169 | 1–2 |
| April 11 | @ White Sox | 9–5 | Jefferson (0–1) | 3347 | 1–3 |
| April 12 | @ White Sox | 5–4 | Lemanczyk (0–2) | 5742 | 1–4 |
| April 14 | Tigers | 10–8 | Wilcox (0–1) | 35761 | 2–4 |
| April 15 | Tigers | 6–3 | Willis (0–1) | 15024 | 2–5 |
| April 16 | Tigers | 4–3 | Clancy (0–1) | 17088 | 2–6 |