Titusville is a city in and the county seat of Brevard County, Florida, United States. The city's population was 43,761 as of the 2010 United States Census. Titusville is located along the Indian River, west of Merritt Island and the Kennedy Space Center, and south-southwest of the Canaveral National Seashore. It is a principal city of the Palm Bay–Melbourne–Titusville Metropolitan Statistical Area.
Near Titusville is the Windover Archeological Site, a National Historic Landmark recognizing its important collection of human remains and artifacts of the early Archaic Period (6,000 to 5,000 BCE.)
A secondary, de facto county seat was established beginning in 1989 at Viera, Florida, in the geographic center of the county, to better serve the more populous southern portion of the county.