Four-time defending champion Shingo Kunieda defeated Stéphane Houdet in the final, 6–0, 6–3 to win the men's singles wheelchair tennis title at the 2011 Australian Open. It was his fifth Australian Open singles title and twelfth major singles title overall.

1. Shingo Kunieda (champion)
2. Stéphane Houdet (final)

	Quarterfinals							Semifinals							Final
	1	Shingo Kunieda	6	6
		Ronald Vink	1	0
								1	Shingo Kunieda	6	6
									Robin Ammerlaan	4	4
		Robin Ammerlaan	6	6
	WC	Ben Weekes	1	3
															1	Shingo Kunieda	6	6
															2	Stéphane Houdet	0	3
		Nicolas Peifer	65	4
		Stefan Olsson	77	6
									Stefan Olsson	1	4
								2	Stéphane Houdet	6	6
		Maikel Scheffers	3	3
	2	Stéphane Houdet	6	6

• Main Draw