2009–10 Dallas Mavericks season Game log December

| Game | Date_ | Team | Score | High_points | High_rebounds | High_assists | Location_Attendance | Record |
|---|---|---|---|---|---|---|---|---|
| 23 | December 11 | @ Miami | W 106–93 (OT) | Dirk Nowitzki (25) | Erick Dampier (17) | Jason Kidd (11) | American Airlines Arena 18,703 | 16-7 |
| 24 | December 12 | Charlotte | W 98–97 (OT) | Dirk Nowitzki (36) | Erick Dampier (18) | Jason Kidd (9) | American Airlines Center 20,151 | 17-7 |
| 25 | December 14 | New Orleans | W 94–90 (OT) | José Juan Barea (23) | Erick Dampier , Josh Howard (8) | Jason Kidd (13) | American Airlines Center 19,737 | 18-7 |
| 26 | December 16 | @ Oklahoma City | W 100–86 (OT) | Dirk Nowitzki (35) | Dirk Nowitzki (11) | Jason Kidd (9) | Ford Center 18,203 | 19-7 |
| 27 | December 18 | Houston | L 108–116 (OT) | José Juan Barea (23) | Erick Dampier (14) | Jason Kidd (10) | American Airlines Center 19,890 | 19-8 |