1986–87 Boston Celtics season Game log January

| Game | Date_ | Opponent | Score | Location_ | Record |
|---|---|---|---|---|---|
| 30 | Fri. Jan. 2 | Chicago Bulls | 113-99 | Boston Garden | 21-9 |
| 31 | Wed. Jan. 7 | Milwaukee Bucks | 119-92 | Boston Garden | 22-9 |
| 32 | Fri. Jan. 9 | Sacramento Kings | 109-99 | Boston Garden | 23-9 |
| 33 | Sat. Jan. 10 | @ Detroit Pistons | 101-118 | Pontiac Silverdome | 23-10 |
| 34 | Tue. Jan. 13 | @ New Jersey Nets | 123-117 | Brendan Byrne Arena | 24-10 |
| 35 | Wed. Jan. 14 | Dallas Mavericks | 117-108 | Boston Garden | 25-10 |
| 36 | Fri. Jan. 16 | Cleveland Cavaliers | 133-128 (OT) | Boston Garden | 26-10 |
| 37 | Sun. Jan. 18 | Houston Rockets | 122-99 | Boston Garden | 27-10 |
| 38 | Mon. Jan. 19 | @ New York Knicks | 109-111 | Madison Square Garden | 27-11 |