2011 in squash sport

This article lists the results for the sport of squash in 2011.

2011 PSA World Tour

2011 PSA World Series
- Tournament of Champions (January 21–27): Ramy Ashour defeated Nick Matthew 11-3, 7-11, 11-9, 11-7.
- North American Open (February 20–26): Nick Matthew defeated Ramy Ashour 11-9, 11-5, 8-11, 8-11, 11-6.
- Australian Open (August 8–14): Ramy Ashour defeated Nick Matthew 12-14, 11-6, 10-12, 11-8, 11-4.
- British Grand Prix (September 19–25): Ramy Ashour defeated Nick Matthew 3-11, 11-3, 11-7, 11-4.
- US Open (September 30–October 6): Amr Shabana defeated Nick Matthew 11-9, 8-11, 11-2, 11-4.
- Qatar Classic (October 16–21): Grégory Gaultier defeated James Willstrop 11-8, 11-7, 2-11, 11-8.
- Hong Kong Open (November 15–20): James Willstrop defeated Karim Darwish 11-5, 11-9, 11-4.
- Kuwait PSA Cup (November 23–29): James Willstrop defeated Karim Darwish 11-9, 10-12, 11-4, 11-2.
- PSA Masters (December 12–18): James Willstrop defeated Grégory Gaultier 19-21, 11-8, 11-4, 6-1.
PSA World Series Finals at London, England. January 4–8, 2012
- Amr Shabana defeated Grégory Gaultier 6-11, 12-10, 11-7, 7-11, 11-8.
PSA World Championship at Rotterdam, Netherlands. November 1–6, 2011
- Nick Matthew defeated Grégory Gaultier 6-11, 11-9, 11-6, 11-5.

2011 WSA World Series
- Cayman Islands Open (April 4–9): Nicol David defeated Jenny Duncalf 11-7, 11-6, 12-14, 11-4.
- Malaysian Open (July 19–23): Nicol David defeated Jenny Duncalf 11-6, 12-10, 11-5.
- Australian Open (August 8–14): Nicol David defeated Jenny Duncalf 11-8, 11-4, 11-6.
- US Open (October 1–6): Laura Massaro defeated Kasey Brown 5-11, 11-5, 11-3, 11-5.
- Qatar Classic (October 16–21): Nicol David defeated Madeline Perry 11-2, 11-7, 11-3.
- Hong Kong Open (December 4–8): Nicol David defeated Raneem El Weleily 11-5, 11-4, 11-9.
WSA World Series Finals at London, England. January 4–8, 2012
- Nicol David defeated Madeline Perry 11-9, 11-9, 11-9.
2011 Women's World Open Squash Championship at Rotterdam, Netherlands. November 1–6, 2011
- Nicol David defeated Jenny Duncalf 11-2, 11-5, 11-0.