Florissant may refer to:
Florissant, Colorado, a census-designated place Florissant Fossil Beds National Monument, a United States National Monument, Colorado Florissant, Missouri, a city Florissant Township, St. Louis County, Missouri
See also Florissantia (plant), an extinct species of flowering plants Florissantia (planthopper), an extinct plant hopper genus Floris (disambiguation)