2011 Australian Open – Wheelchair quad singles

David Wagner defeated the three-time defending champion Peter Norfolk in the final, 6–2, 6–3 to win the quad singles wheelchair tennis title at the 2011 Australian Open.

Seeds

 * 1) 🇺🇸 David Wagner (champion)
 * 2) 🇬🇧 Peter Norfolk (finals)

Round robin
''Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-players-ties, head-to-head records; 4. in three-players-ties, percentage of sets won, or of games won; 5. steering-committee decision.''