The Tyler Davidson Fountain or The Genius of Water is a statue and fountain located in Cincinnati, Ohio. It is regarded as the city's symbol and one of the area's most-visited attractions. It was dedicated in 1871 and is the centerpiece of Fountain Square, a hardscape plaza at the corner of 5th and Vine Streets in the downtown area. It is surrounded by stores, hotels, restaurants and offices. Originally, and for more than 130 years, it was located in the center of 5th Street, immediately west of Walnut Street. In 2006, renovations were undertaken to Fountain Square and the Tyler Davidson Fountain was temporarily removed. When reinstalled it was relocated to a much wider space near the north end of the reconfigured square, closer to the Fifth Third Bank Building and away from street traffic. The fountain is turned off for the winter months and turned on again in time for the first home game of Major League Baseball's Cincinnati Reds.

Fountain Square is a city square in Cincinnati, Ohio, United States. Founded in 1871, it was renovated in 1971 and 2005 and currently features many shops, restaurants, hotels, and offices.