2009–10 Dallas Mavericks season Game log January

| Game | Date_ | Team | Score | High_points | High_rebounds | High_assists | Location_Attendance | Record |
|---|---|---|---|---|---|---|---|---|
| 37 | January 9 | Utah | L 93–111 (OT) | Dirk Nowitzki (29) | Erick Dampier (13) | Jason Kidd (8) | American Airlines Center 19,922 | 25-12 |
| 38 | January 13 | LA Lakers | L 95–100 (OT) | Dirk Nowitzki (30) | Dirk Nowitzki (16) | Jason Kidd (11) | American Airlines Center 20,461 | 25-13 |
| 39 | January 15 | Oklahoma City | W 99–98 (OT) | Dirk Nowitzki (32) | Erick Dampier (9) | Jason Kidd (11) | American Airlines Center 20,064 | 26-13 |
| 40 | January 17 | @ Toronto | L 88–110 (OT) | Dirk Nowitzki (19) | Drew Gooden (10) | Jason Kidd (9) | Air Canada Centre 19,004 | 26-14 |
| 41 | January 18 | @ Boston | W 99–90 (OT) | Dirk Nowitzki (37) | Shawn Marion (10) | Jason Kidd (17) | TD Garden 18,624 | 27-14 |