Deer Park is an unincorporated community in Osceola County, Florida, United States. It is located off US 192, south of the intersection with County Road 419. The community is part of the Orlando–Kissimmee Metropolitan Statistical Area. It is the location of the Kempfer Cattle ranch, Deseret Ranches of the Church of Jesus Christ of Latter-day Saints, and the Deer Park Forestry Site of the Florida Department of Agriculture and Consumer Services.