MBAC
MBAC stands for:
- Millimeter Bolometer Array Camera , the main instrument of the Atacama Cosmology Telescope
- Musée des beaux-arts du Canada , leading Canadian art museum in Ottawa
- Musée des Beaux-Arts de Caen , French art museum in the listed Château de Caen in Caen
- Musée des beaux-arts de Chambéry , French art museum in Chambéry, see Chambéry # Sights
- Harold Charles International Airport (ICAO code), airfield on Big Ambergris Cay , main island of the Ambergris Cays, Turks and Caicos Islands