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:[1] [2]