| 2023-03-14 16:00:22March 14, 2023 | Lacrosse: McNamara vs. Sidwell Friends | 16:00:22Canceled | 2023 Lacrosse | Sidwell Friends School |
| 2023-03-15 16:30:58March 15, 2023 | Lacrosse: DeMatha vs. McNamara | 14 - 2 | 2023 Lacrosse | Bishop McNamara High School |
| 2023-03-17 16:00:12March 17, 2023 | Lacrosse: Bishop Ireton vs. McNamara | 16 - 7 | 2023 Lacrosse | Bishop McNamara High School |
| 2023-03-21 16:00:34March 21, 2023 | Lacrosse: McNamara vs. The Heights | 5 - 16 | 2023 Lacrosse | The Heights School |
| 2023-03-24 16:00:29March 24, 2023 | Lacrosse: St. Mary's Ryken vs. McNamara | 10 - 4 | 2023 Lacrosse | Bishop McNamara High School |
| 2023-03-28 16:00:34March 28, 2023 | Lacrosse: Oxon Hill vs. McNamara | 1 - 22 | 2023 Lacrosse | Bishop McNamara High School |
| 2023-03-31 16:00:56March 31, 2023 | Lacrosse: Good Counsel vs. McNamara | 18 - 1 | 2023 Lacrosse | Bishop McNamara High School |
| 2023-04-04 16:00:33April 4, 2023 | Lacrosse: McNamara vs. O'Connell | 10 - 13 | 2023 Lacrosse | Bishop O'Connell High School |
| 2023-04-14 16:00:25April 14, 2023 | Lacrosse: St. John's vs. McNamara | 17 - 1 | 2023 Lacrosse | Bishop McNamara High School |
| 2023-04-21 19:00:09April 21, 2023 | Lacrosse: McNamara vs. Gonzaga | 0 - 21 | 2023 Lacrosse | Gonzaga College High School |
| 2023-04-25 16:00:53April 25, 2023 | Lacrosse: McNamara vs. Paul VI | 2 - 21 | 2023 Lacrosse | Paul VI High School |
| 2023-04-29 12:00:00April 29, 2023 | Lacrosse: McNamara vs. Sidwell Friends | 7 - 12 | 2023 Lacrosse | Sidwell Friends School |
