2008–09 Boston Celtics season Game log December

| Game | Date_ | Team | Score | High_points | High_rebounds | High_assists | Location_Attendance | Record |
|---|---|---|---|---|---|---|---|---|
| 23 | December 11 | @ Washington | W 122–88 (OT) | Ray Allen , Paul Pierce (22) | Kevin Garnett (12) | Paul Pierce (8) | Verizon Center 20,173 | 21–2 |
| 24 | December 12 | New Orleans | W 94–82 (OT) | Paul Pierce (28) | Kendrick Perkins (13) | Paul Pierce (6) | TD Banknorth Garden 18,624 | 22–2 |
| 25 | December 15 | Utah | W 100–91 (OT) | Rajon Rondo (25) | Kendrick Perkins (14) | Rajon Rondo (8) | TD Banknorth Garden 18,624 | 23–2 |
| 26 | December 17 | @ Atlanta | W 88–85 (OT) | Kevin Garnett , Paul Pierce (18) | Kendrick Perkins (10) | Rajon Rondo (7) | Philips Arena 18,729 | 24–2 |
| 27 | December 19 | Chicago | W 126–108 (OT) | Ray Allen (27) | Kendrick Perkins (8) | Rajon Rondo (15) | TD Banknorth Garden 18,624 | 25–2 |