Dunlevy is a borough in Washington County, Pennsylvania, United States.

Dunlevy has three land borders, including Allenport to the east, Long Branch to the south and Speers to the west.

Across the Monongahela River to the north in Fayette County, Dunlevy runs adjacent with Belle Vernon and Washington Township.

There were 193 housing units at an average density of 384.7 per square mile (148.5/km2).

36.4% of all households were made up of individuals, and 17.6% had someone living alone who was 65 years of age or older.