Horizon West is a census-designated place and unincorporated area in Orange County, Florida, United States. The population was 14,000 at the 2010 census. It is part of the Orlando–Kissimmee–Sanford, Florida Metropolitan Statistical Area.
Horizon West is located in southwestern Orange County, directly north of the Walt Disney World resort. It was a newly defined area as of the 2010 census. State Road 429, the Daniel Webster Western Beltway, runs through the CDP, connecting Ocoee to the north with Four Corners and Interstate 4 to the south.
According to the United States Census Bureau, the CDP has a total area of 38.1 square miles (98.6 km2), of which 32.9 square miles (85.3 km2) is land and 5.1 square miles (13.3 km2), or 13.50%, is water.