BAE Systems, a British defence, security and aerospace company
BAE may also refer to:
British Aerospace (BAe), a UK aircraft, munitions and defence-systems manufacturer. In 1999 it purchased Marconi Electronic Systems, the defence electronics and naval shipbuilding subsidiary of the General Electric Company plc, to form BAE Systems
Bureau of American Ethnology, American anthropological research center and archives at the Smithsonian Institution, founded 1879 as the Bureau of Ethnology