Several plaques have been installed on Fountain Square over the years. Below is a list of plaques and their current locations on Fountain Square. 

1. Fountain History Plaque
John A. Hauck Foundation and the Frederick A. Hauck Trust
Location: west-facing wall of water wall

2.  Fountain Square Pavilion Plaque
Frederick A. Hauck Foundation, Corbett Foundation, Downtown Council of Cincinnati, and City of Cincinnati
Location: stairwell to elevator lobby

3. Rare Cincinnati Tree Plaque
Cornelius J. Hauck
Location: stairwell to elevator lobby

4. Society of the Cincinnati Plaque
Society of Cincinnati
Location: stairwell to elevator lobby

5. AIA Award
American Institute of Architects
Location: stairwell to elevator lobby

6. Phyllis Smale Memorial Plaque
Location: Planter bed at Fifth & Walnut streets