The Brooklyn Navy Yard is a shipyard and industrial complex in northwest Brooklyn in New York City, New York, U.S. The Navy Yard is located on the East River in Wallabout Bay, a semicircular bend of the river across from Corlears Hook in Manhattan. It is bounded by Navy Street to the west, Flushing Avenue to the south, Kent Avenue to the east, and the East River on the north. The site, which covers 225.15 acres (91.11 ha), is listed on the National Register of Historic Places.

Brooklyn Naval Hospital was a hospital in Brooklyn, New York City, within the Brooklyn Navy Yard. It was one of the oldest naval hospitals in the United States, having operated from 1838 to 1948. Two of the structures in the former hospital's site are designated New York City Landmarks. The entire hospital complex is listed on the National Register of Historic Places along with the rest of the Navy Yard.