Acadia was a historical French colony in northeastern North America which included parts of what are now the Maritime provinces, the Gaspé Peninsula and Maine to the Kennebec River.

Acadia may also refer to:

Places

Canada Acadia (region), a North American cultural region in the Maritime provinces Municipal District of Acadia No. 34, Alberta Acadia (federal electoral district), former district, Alberta Acadie (electoral district), former district in Montreal, Quebec Acadia River, tributary of the Richelieu River, Quebec Acadia University, in Wolfville, Nova Scotia

Pitcairn Islands Acadia Islet, part of the Ducie Island atoll, Pitcairn Islands (British Overseas Territory), in the Pacific Ocean

United States Acadia National Park, in Maine Acadia Parish, Louisiana, established 1886 A proposed partition of northern Maine; see

Biology Acadia (genus), a genus in the Mycetophilidae family of fungus gnats described by Vockeroth in 1980

Transport CSS Acadia, a museum ship in Halifax, Nova Scotia USAHS Acadia, SS Acadia (1932) converted to Army hospital ship 1941 USS Acadia (AD-42), a Yellowstone-class destroyer tender GMC Acadia, a 2007 crossover sport-utility vehicle (SUV)

Other uses ACADIA, a non-profit organization active in the area of computer-aided architectural design Acadia Healthcare Acadia Pharmaceuticals Acadia (technical partnership), a joint venture in storage between Cisco, EMC, VMWare and Intel Acadia trees in RuneScape, an intentional misspelling of Acacia

See also Acadiana Acadian (disambiguation) Acadie (disambiguation) Accadia, a town in Apulia, Italy Akadia (disambiguation) Akkadian (disambiguation) Arcadia (disambiguation) Cascadia (disambiguation)