2011 Western & Southern Open

2011 Western & Southern Open
DateAugust 15–21
Edition110th (men) / 83rd (women)
SurfaceHard / Outdoor
LocationMason, Ohio, United States
VenueLindner Family Tennis Center
Champions
Men's singles
Andy Murray
Women's singles
Maria Sharapova
Men's doubles
Leander Paes / Mahesh Bhupathi
Women's doubles
Vania King / Yaroslava Shvedova

The 2011 Western & Southern Open, also known as the Cincinnati Open, was a tennis tournament played on outdoor hard courts at the Lindner Family Tennis Center in Mason, Ohio, United States. The tournament was a joint men's and women's event, with six new courts being built for the tournament. The competition took place from August 15 through August 21, 2011. The 110th edition of the Cincinnati Open (83rd for the women), it was a Masters 1000 event on the 2011 ATP World Tour, and part of the Premier Series of the 2011 WTA Tour.

On an additional note, Andy Murray during his semifinal match against Mardy Fish set the record for the fastest ever hit forehand at 124 mph (200 km/h).