Monona is a city in Clayton County, Iowa, United States. Landmarks include Monona County, Lewis and Clark State Park and Trinity Memorial Episcopal Church (Mapleton, Iowa). Monona is the birthplace of Elizabeth Shaw, lawyer.
- CountyClayton County
- Population1,471 (2020 U.S. Census)
- Historic places11 on the National Register



































Trinity Memorial Episcopal Church (Mapleton, Iowa)
Monona County
Lewis and Clark State Park
Ingemann Danish Lutheran Church