Aroostook

Aroostook may refer to:


 * Aroostook Band of Micmacs, a tribe of Mi'kmaq people in Aroostook County, Maine U.S.
 * Aroostook, New Brunswick, Canada
 * Aroostook County, Maine, U.S.
 * Aroostook River, in Maine
 * Aroostook War, an 1838–1839 boundary dispute between the British colony of New Brunswick and the U.S. state of Maine
 * USS Aroostook