| 2023-03-07 16:00:36March 7, 2023 | Lacrosse: Landon vs. Severn | 6 - 9 | 2023 Lacrosse | Severn School |
| 2023-03-10 16:15:11March 10, 2023 | Lacrosse: The Heights vs. Landon | 5 - 7 | 2023 Lacrosse | Landon School |
| 2023-03-14 16:30:45March 14, 2023 | Lacrosse: Gonzaga vs. Landon | 12 - 3 | 2023 Lacrosse | Landon School |
| 2023-03-18 14:00:46March 18, 2023 | Lacrosse: Landon vs. Episcopal Academy | 7 - 6 | 2023 Lacrosse | Episcopal Academy |
| 2023-03-21 16:30:07March 21, 2023 | Lacrosse: Landon vs. DeMatha | 8 - 7 | 2023 Lacrosse | DeMatha High School |
| 2023-03-24 16:30:23March 24, 2023 | Lacrosse: St. Paul's vs. Landon | 12 - 9 | 2023 Lacrosse | Landon School |
| 2023-03-28 16:00:35March 28, 2023 | Lacrosse: Landon vs. Canterbury School | 16 - 3 | 2023 Lacrosse | Canterbury School |
| 2023-03-30 16:00:26March 30, 2023 | Lacrosse: Landon vs. IMG Academy | 12 - 13 | 2023 Lacrosse | IMG Academy |
| 2023-04-06 18:00:19April 6, 2023 | Lacrosse: Landon vs. Bullis | 10 - 8 | 2023 Lacrosse | Bullis School |
| 2023-04-11 17:00:38April 11, 2023 | Lacrosse: Cardinal Gibbons vs. Landon | 6 - 8 | 2023 Lacrosse | Landon School |
| 2023-04-14 16:30:28April 14, 2023 | Lacrosse: Georgetown Prep vs. Landon | 12 - 4 | 2023 Lacrosse | Landon School |
| 2023-04-19 18:30:50April 19, 2023 | Lacrosse: Landon vs. James Madison | 7 - 3 | 2023 Lacrosse | James Madison High School |
| 2023-04-21 16:30:28April 21, 2023 | Lacrosse: St. Stephen's & St. Agnes vs. Landon | 4 - 8 | 2023 Lacrosse | Landon School |
| 2023-04-25 18:30:50April 25, 2023 | Lacrosse: Landon vs. Severna Park | 10 - 8 | 2023 Lacrosse | Severna Park High School |
| 2023-04-28 16:30:33April 28, 2023 | Lacrosse: St. Albans vs. Landon | 5 - 9 | 2023 Lacrosse | Landon School |
| 2023-05-02 16:30:53May 2, 2023 | Lacrosse: Landon vs. Episcopal | 5 - 12 | 2023 Lacrosse | Episcopal High School |
| 2023-05-05 16:30:00May 5, 2023 | Lacrosse: IAC Quarterfinals: Landon vs. St. Albans | 18 - 5 | 2023 Lacrosse | Landon School |
| 2023-05-09 16:30:00May 9, 2023 | Lacrosse: IAC Semifinals: Landon vs. Episcopal | 11 - 9 | 2023 Lacrosse | Episcopal High School |
| 2023-05-12 16:00:00May 12, 2023 | Lacrosse: IAC Championship: Georgetown Prep vs. Landon | 14 - 9 | 2023 Lacrosse | Georgetown Preparatory School |
