Southwest Territory (disambiguation)
# Southwest Territory (disambiguation)

Southwest Territory or variant, may refer to:

## West of the Appalachians, south of the Ohio, east of the Mississippi

* Territory South of the River Ohio (aka Territory of the South-West), territory that became the state of Tennessee, USA
   * Southwest Territory's at-large congressional district

## North American southwest

* Old Southwest of the American frontier in the USA
* Southwestern United States, what became of the frontier after the Old West era in the USA
* Archaic Southwest, the pre-Columbian North American southwest

## Other uses

* Southwest Territory (Six Flags Great America), Gurnee, Illinois, USA; a themepark attraction
* South West Africa, (South African non-governing territory of the South West), now Namibia
* Southwestern Krai or Southwestern Land in the historical Russian Empire
