See main article: 2023 Australian Open.
| Draw: | 16 |
| Seeds: | 4 |
| Type: | grandslamwc |
| Champ: |  Alfie Hewett |
| Runner: |  Tokito Oda |
| Score: | 6–3, 6–1 |
Alfie Hewett defeated Tokito Oda in the final, 6–3, 6–1 to win the men's singles wheelchair tennis title at the 2023 Australian Open.[1] It was his first Australian Open singles title and his seventh major singles title overall.
Shingo Kunieda was the reigning champion,[2] but he retired from professional wheelchair tennis before the tournament.[3]