Arapahoan languages
| Arapahoan | |
|---|---|
| Araphoic | |
| Geographic distribution | United States | 
| Linguistic classification | Algic 
 | 
| Subdivisions | |
| Language codes | |
| Glottolog | arap1273 | 
The Arapahoan languages are a subgroup of the Plains group of Algonquian languages: Nawathinehena, Arapaho, and Gros Ventre.
Nawathinehena and Gros Ventre are extinct and Arapaho is endangered.
Besawunena, attested only from a word list collected by Kroeber, differs only slightly from Arapaho, but a few of its sound changes resemble those seen in Gros Ventre. It had speakers among the Northern Arapaho as recently as the late 1920s.
Nawathinehena is also attested only from a word list collected by Kroeber, and was the most divergent language of the group.
Another reported Arapahoan variety is the extinct Ha'anahawunena, but there is no documentation of it.