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 30 September to 6 October. Amr Shabana won his second US Open trophy, beating Nick Matthew in the final.
For 2011, the prize purse was $115,000. The prize money and points breakdown is as follows: