Fontana is a city in south central Miami County, Kansas, United States. As of the 2010 census, the city population was 224. The name Fontana comes from the French word fontaine, meaning fountain or a spring-like water source. It was given to the small city from a spring near the town site. Fontana's history as a community dates back to the early 19th century, however incorporation did not occur until 1889.