Williamsburg is a census-designated place (CDP) in Orange County, Florida, United States.

[5] According to the United States Census Bureau, the CDP has a total area of 9.7 km2 (3.8 mi2), of which 9.5 km2 (3.7 mi2) is land and 0.2 km2 (0.1 mi2) (1.87%) is water.

Williamsburg is a large subdivision bounded roughly on the north by the Beachline Expressway, on the south by the Central Florida GreeneWay, on the east by Shingle Creek and on the west by International Drive.

In the early 2000s, Williamsburg's Homeowners Association worked with the Orange County Board of County Commissioners to ensure that traffic from the Orange County Convention Center did not pass through the interchange between Orangewood Boulevard and the Beachline, which would expand to connect to a southern extension of Universal Boulevard.

28.6% of all households were made up of individuals, and 15.5% had someone living alone who was 65 years of age or older.