is a city in Hamilton County, Tennessee, United States. The population was 11,530 at the 2000 census. The City was formed in 1969 when the communities of Soddy and Daisy, along with nearby developed areas along U.S. Highway 27, merged to form Soddy-Daisy. It is rapidly becoming a bedroom community of nearby Chattanooga and is part of the Chattanooga, TN–GA Metropolitan Statistical Area. Sequoyah Nuclear Generating Station is located in Soddy-Daisy.
According to the United States Census Bureau, the city has a total area of 23.8 square miles (61.7 km²), of which, 23.0 square miles (59.6 km²) of it is land and 0.8 square miles (2.0 km²) of it (3.32%) is water.
There is a county map from 1836 naming the creek that runs through Soddy as "Sauda Creek". This is possibly a Cherokee indian name and where the city got it's name from.