Siouan languages

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Siouan
Siouan–Catawban
Geographic distribution	central North America
Linguistic classification	One of the world's primary language families
Subdivisions	Catawban (Eastern) Siouan proper (Western)
Language codes
ISO 639-2 / 5	sio
Linguasphere	64-A
Glottolog	siou1252
Pre-contact distribution of the Siouan–Catawban languages

Siouan (/ˈsuːən/ SOO-ən) or Siouan–Catawban is a language family of North America that is located primarily in the Great Plains, Ohio and Mississippi valleys and southeastern North America with a few other languages in the east.