アメリカ合衆国東部(アメリカがっしゅうこくとうぶ、英語: eastern United States)または単にアメリカ東部(アメリカとうぶ、英語: American East)とは、アメリカ合衆国の東部地域である。一般にはミシシッピ川より東側のことを指す[1][2]が、より狭い地域を指す場合もある[3]。
^Whitaker, John O. (1998). Mammals of the Eastern United States. Hamilton, William J. (William John), Jr., 1902-1990. (3rd ed.). Ithaca: Comstock Pub. Associates. pp. 4. ISBN0-8014-3475-0. OCLC38438640. "eastern United States—that part of the nation east of the Mississippi"
^Quandt, Sara A. (2009). Latino Farmworkers in the Eastern United States : Health, Safety and Justice. Springer-Verlag New York. pp. 18. ISBN978-0-387-88347-2. OCLC901254381. "The eastern US considered in this volume includes 22 states. This includes the southeastern states bordering the Gulf of Mexico and Atlantic Ocean (Florida, Georgia, Alabama, Mississippi, South Carolina, North Carolina, and Virginia), the Mid-Atlantic states (Maryland, Pennsylvania, Delaware, and New Jersey), interior states (Tennessee, Kentucky, West Virginia, and Ohio), and New England (New York, Massachusetts, Connecticut, Rhode Island, New Hampshire, Vermont, and Maine)."