2009–10 Dallas Mavericks season Game log January

| Game | Date_ | Team | Score | High_points | High_rebounds | High_assists | Location_Attendance | Record |
|---|---|---|---|---|---|---|---|---|
| 42 | January 20 | @ Washington | W 94–93 (OT) | Dirk Nowitzki (28) | Shawn Marion (12) | Jason Kidd (15) | Verizon Center 13,974 | 28-14 |
| 43 | January 22 | @ Philadelphia | L 82–91 (OT) | Dirk Nowitzki (15) | Jason Kidd (9) | Jason Kidd (7) | Wachovia Center 17,647 | 28-15 |
| 44 | January 24 | @ NY Knicks | W 128–78 (OT) | Dirk Nowitzki , Jason Terry (20) | Drew Gooden (18) | Rodrigue Beaubois (5) | Madison Square Garden 19,418 | 29-15 |
| 45 | January 26 | Milwaukee | W 108–107 (OT) | Dirk Nowitzki (28) | Erick Dampier (11) | Jason Kidd (12) | American Airlines Center 19,799 | 30-15 |
| 46 | January 28 | @ Phoenix | L 106–112 (OT) | Jason Terry (21) | Shawn Marion (8) | Jason Kidd (6) | US Airways Center 17,855 | 30-16 |