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. It was his first Australian Open singles title and his seventh major singles title overall.
Shingo Kunieda was the reigning champion,[1] but he retired from professional wheelchair tennis before the tournament.