2009–10 Cleveland Cavaliers season Game log December

| Game | Date_ | Team | Score | High_points | High_rebounds | High_assists | Location_Attendance | Record |
|---|---|---|---|---|---|---|---|---|
| 22 | December 9 | @ Houston Rockets | L 85–95 (OT) | LeBron James (27) | Shaquille O`Neal , J. J. Hickson (10) | LeBron James (7) | Toyota Center 18,200 | 15-7 |
| 23 | December 11 | Portland Trail Blazers | W 104–99 (OT) | LeBron James (33) | Shaquille O`Neal (11) | Mo Williams (10) | Quicken Loans Arena 20,562 | 16-7 |
| 24 | December 13 | @ Oklahoma City Thunder | W 102–89 (OT) | LeBron James (44) | Anderson Varejão (10) | LeBron James (6) | Ford Center 18,203 | 17-7 |
| 25 | December 15 | New Jersey Nets | W 99–89 (OT) | LeBron James (23) | Mo Williams , Jamario Moon (8) | LeBron James (7) | Quicken Loans Arena 20,562 | 18-7 |
| 26 | December 16 | @ Philadelphia 76ers | W 108–101 (OT) | LeBron James (36) | Shaquille O`Neal (9) | LeBron James (7) | Wachovia Center 19,517 | 19-7 |