Wildewood is a planned community and census-designated place (CDP) in St. Mary's County, Maryland, United States.

It is in east-central St. Mary's County, 7 miles (11 km) east of Leonardtown, the county seat, and 58 miles (93 km) southeast of Washington, D.C.

It is bordered to the east by the unincorporated community of California.

Homesites feature large shade trees.

This article about a location in St. Mary's County, Maryland is a stub.