Washington Cemetery is a historical and predominantly Jewish burial ground located at 5400 Bay Parkway in Mapleton, Brooklyn, New York, United States.

Mapleton is a neighborhood in southern Brooklyn, New York City, bounded by 16th Avenue on the west, Dahill Road on the east, 57th Street on the north, and 65th Street on the south. It borders Bensonhurst and Borough Park to the west, and Midwood to the east.