2009–10 Cleveland Cavaliers season Game log December

| Game | Date_ | Team | Score | High_points | High_rebounds | High_assists | Location_Attendance | Record |
|---|---|---|---|---|---|---|---|---|
| 27 | December 18 | Milwaukee Bucks | W 85–82 (OT) | LeBron James (26) | LeBron James (10) | LeBron James (8) | Quicken Loans Arena 20,562 | 20-7 |
| 28 | December 20 | @ Dallas Mavericks | L 95–102 (OT) | LeBron James (25) | Anderson Varejão , Shaquille O`Neal (8) | LeBron James (6) | American Airlines Center 20,346 | 20-8 |
| 29 | December 21 | @ Phoenix Suns | W 109–91 (OT) | LeBron James (29) | Mo Williams , LeBron James , J.J. Hickson (6) | Delonte West (6) | US Airways Center 18,221 | 21-8 |
| 30 | December 23 | @ Sacramento Kings | W 117–104 (OT) | LeBron James (34) | LeBron James (16) | LeBron James (10) | ARCO Arena 16,407 | 22-8 |