- Language: Upper Kuskokwim
- Alternate names: Kolchan, Kuskokwim (Upper), Kuskokwim, Upper, Mcgrath Ingalik
- Language code: kuu
- Language family: Eyak-Athabaskan, Athabaskan, Northern Athabaskan (SIL classification)
- Number of speakers: 25
- Vulnerability: Endangered
- Script: Latin script.
Formerly regarded as part of Degexit’an (See: [[Degexit’an]]).
Upper Kuskokwim is spoken in USA, North America.