2011 Men's World Open Squash Championship

The 2011 Men's World Open Squash Championship is the men's edition of the 2011 World Open, which serves as the individual world championship for squash players. The event took place at the squash club Victoria Squash Rotterdam and at the Luxor Theater in Rotterdam in the Netherlands from 1 to 6 November 2011. Nick Matthew successfully defended his title, defeating Grégory Gaultier in the final.

Prize money and ranking points
For 2011, the prize purse was $275,000. The prize money and points breakdown is as follows:

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

• # 🇪🇬 Ramy Ashour (quarterfinals)

• # 🇪🇬 Karim Darwish (semifinals)

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

• # 🇪🇬 Amr Shabana (quarterfinals)

• # 🇫🇷 Grégory Gaultier (final)

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

• # 🇦🇺 David Palmer (quarterfinals)

• # 🇪🇬 Mohamed El Shorbagy (third round)

• # 🇫🇷 Thierry Lincou (third round)

• # 🏴󠁧󠁢󠁥󠁮󠁧󠁿 Daryl Selby (second round)

• # Laurens Jan Anjema (third round)

• # Mohd Azlan Iskandar (second round)

• # 🇪🇬 Omar Mosaad (second round)

• # 🇪🇬 Hisham Ashour (third round)

• # 🇦🇺 Cameron Pilley (third round)