1986–87 Boston Celtics season Game log December

| Game | Date_ | Opponent | Score | Location_ | Record |
|---|---|---|---|---|---|
| 15 | Tue. Dec. 2 | Washington Bullets | 109-117 | Hartford Civic Center | 10-5 |
| 16 | Wed. Dec. 3 | Denver Nuggets | 119-113 | Boston Garden | 11-5 |
| 17 | Fri. Dec. 5 | Philadelphia 76ers | 108-106 | Boston Garden | 12-5 |
| 18 | Sat. Dec. 6 | @ Cleveland Cavaliers | 86-88 | Richfield Coliseum | 12-6 |
| 19 | Wed. Dec. 10 | New Jersey Nets | 108-98 | Boston Garden | 13-6 |
| 20 | Fri. Dec. 12 | Los Angeles Lakers | 110-117 | Boston Garden | 13-7 |
| 21 | Sat. Dec. 13 | @ Washington Bullets | 105-98 | Capital Centre | 14-7 |
| 22 | Tue. Dec. 16 | @ New York Knicks | 107-96 | Madison Square Garden | 15-7 |
| 23 | Wed. Dec. 17 | Indiana Pacers | 113-101 | Boston Garden | 16-7 |