1969–70 Pittsburgh Penguins season Game log December

| Date_ | Visitor | Score | Home | Attendance | Record | Points |
|---|---|---|---|---|---|---|
| December 3 | Detroit | 1–2 | Pittsburgh | 4116 | 7–10–5 | 19 |
| December 6 | Pittsburgh | 0–5 | Toronto | 16449 | 7–11–5 | 19 |
| December 7 | Toronto | 2–3 | Pittsburgh | 7310 | 8–11–5 | 21 |
| December 10 | Pittsburgh | 2–0 | Los Angeles | 5366 | 9–11–5 | 23 |
| December 12 | Pittsburgh | 1–4 | Oakland | 4760 | 9–12–5 | 23 |
| December 14 | Pittsburgh | 1–2 | Boston | 14831 | 9–13–5 | 23 |
| December 17 | Montreal | 5–2 | Pittsburgh | 6381 | 9–14–5 | 23 |
| December 20 | Boston | 6–4 | Pittsburgh | 7858 | 9–15–5 | 23 |
| December 21 | Pittsburgh | 0–4 | Philadelphia | 12423 | 9–16–5 | 23 |
| December 26 | Pittsburgh | 3–2 | NY Rangers | 17250 | 10–16–5 | 25 |
| December 27 | Chicago | 3–0 | Pittsburgh | 8746 | 10–17–5 | 25 |
| December 31 | Montreal | 2–4 | Pittsburgh | 5202 | 11–17–5 | 27 |