1984–85 Boston Celtics season Game log December

| Game | Date_ | Opponent | Score | Location_ | Record |
|---|---|---|---|---|---|
| 15 | Sat. Dec. 1 | @ Cleveland Cavaliers | 110-104 | Richfield Coliseum | 14-1 |
| 16 | Sun. Dec. 2 | Cleveland Cavaliers | 122-99 | Boston Garden | 15-1 |
| 17 | Tue. Dec. 4 | @ Detroit Pistons | 99-104 | Pontiac Silverdome | 15-2 |
| 18 | Wed. Dec. 5 | Denver Nuggets | 123-107 | Boston Garden | 16-2 |
| 19 | Sat. Dec. 8 | @ New Jersey Nets | 107-98 | Brendan Byrne Arena | 17-2 |
| 20 | Sun. Dec. 9 | Atlanta Hawks | 128-127 | Boston Garden | 18-2 |
| 21 | Tue. Dec. 11 | New Jersey Nets | 130-121 | Hartford Civic Center | 19-2 |
| 22 | Wed. Dec. 12 | @ Philadelphia 76ers | 107-110 | The Spectrum | 19-3 |
| 23 | Fri. Dec. 14 | Utah Jazz | 117-106 | Boston Garden | 20-3 |