Almirante Brown is a partido of the Buenos Aires Province, Argentina, located at the south of the Gran Buenos Aires urban area, at coordinates .
It has an area of 129.33 km² (49.9 sq mi) and 514,622 inhabitants (and its capital is Adrogué.
The partido is named after Irish born General William Brown who led the Argentine navy in the Argentine War of Independence and helped Argentina gain her independence from the Spanish Empire.