The United States never had an organized territory named Ohio Territory. This term may refer to:
- Territory Northwest of the River Ohio, an organized incorporated territory of the United States in the Great Lakes region between 1787 and 1803
- Ohio Country, a vaguely defined colonial/frontier region, roughly covering the lands between the upper Ohio River and the Illinois Country (prior to 1787)
- loosely, the Ohio River Valley in colonial times
- incorrectly or informally, lands within the boundary of the state of Ohio after statehood in 1803
- The portion of Canada, New France south of the Great Lakes, east of the Mississippi and Lake Michigan, which was conquered by Britain in the French and Indian Wars
See also
Index of articles associated with the same name
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