1990–91 Boston Celtics season Game log March

| Game | Date_ | Opponent | Score | Location_ | Record |
|---|---|---|---|---|---|
| 65 | Fri. Mar. 15 | @ Washington Bullets | 94-86 | Capital Centre | 48-17 |
| 66 | Sun. Mar. 17 | Philadelphia 76ers | 110-105 | Boston Garden | 49-17 |
| 67 | Tue. Mar. 19 | @ Atlanta Hawks | 92-104 | The Omni | 49-18 |
| 68 | Wed. Mar. 20 | Washington Bullets | 102-81 | Boston Garden | 50-18 |
| 69 | Fri. Mar. 22 | @ Indiana Pacers | 109-121 | Market Square Arena | 50-19 |
| 70 | Thu. Mar. 28 | @ Miami Heat | 88-90 | Miami Arena | 50-20 |
| 71 | Fri. Mar. 29 | Cleveland Cavaliers | 110-108 | Boston Garden | 51-20 |
| 72 | Sun. Mar. 31 | Chicago Bulls | 135-132 (2OT) | Boston Garden | 52-20 |