Men's United States Open (squash) 2011

The Men's United States Squash Open 2011 was the men's edition of the 2011 United States Open (squash), which is a PSA World Series event Gold (Prize money: $115,000). The event took place at the Daskalakis Athletic Center in Philadelphia, Pennsylvania in the United States from the 30th of September to the 6th October. Amr Shabana won his second US Open trophy, beating Nick Matthew in the final.

Prize money and ranking points
For 2011, the prize purse was $115,000. The prize money and points breakdown is as follows:

Seeds
• # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Nick Matthew (final)

• # 🇪🇬 Karim Darwish (first round)

• # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 James Willstrop (semifinals)

• # 🇪🇬 Amr Shabana (champion)

• # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Peter Barker (quarterfinals)

• # 🇫🇷 Thierry Lincou (semifinals)

• # 🇪🇬 Mohamed El Shorbagy (quarterfinals)

• # 🇦🇺 David Palmer (second round)