2019 Western & Southern Open

2019 Western & Southern Open
DateAugust 12–18
Edition118th (men) / 91st (women)
CategoryATP Tour Masters 1000 (men)
WTA Premier 5 (women)
SurfaceHard
LocationMason, Ohio, United States
VenueLindner Family Tennis Center
Champions
Men's singles
Daniil Medvedev
Women's singles
Madison Keys
Men's doubles
Ivan Dodig / Filip Polášek
Women's doubles
Lucie Hradecká / Andreja Klepač

The 2019 Western & Southern Open was a men's and women's tennis tournament played on outdoor hard courts from August 12–18, 2019. It was a Masters 1000 tournament on the 2019 ATP Tour and a WTA Premier 5 tournament on the 2019 WTA Tour. The tournament was one of two headline events in the 2019 US Open Series. The 2019 tournament was the 118th men's edition and the 91st women's edition of the Cincinnati Open and took place at the Lindner Family Tennis Center in Mason, Ohio, a northern suburb of Cincinnati, in the United States.