Oxon Hill High School (OHHS) is a public senior high school, located in Oxon Hill, an unincorporated area in Prince George's County, Maryland, and a suburb of Washington, D.C. in the United States. The school, which serves grades 9 through 12, is a part of the Prince George's County Public Schools system.

Oxon Hill is an unincorporated area and census-designated place (CDP) in southern Prince George's County, Maryland, United States. Oxon Hill is a suburb of Washington, located southeast of the downtown district and east of Alexandria, Virginia. Since 2008, it contains the 300-acre (120 ha) National Harbor development on the shore of the Potomac River.