- Language: Witsuwit'en
- Alternate names: Witsuwit'en-Nedut'en, Witsuwit'en-Babine, Witsuwit'en, Wet'suwet'en, Northern Carrier, Babine-Witsuwit'en, Babine, Babine Carrier, Bulkley Valley Language, Lakes District Language, Nedut'en (variety), Nadot'en, Nat'oot'en, Lake Babine
- Language code: bcr
- Language family: Eyak-Athabaskan, Athabaskan, Northern Athabaskan (SIL classification)
- Number of speakers: 523
- Vulnerability: Endangered
- Script: Latin script.
Witsuwit'en and Nedut'en are the two main varieties of the language. Although there is a tradition of grouping Babine with Carrier (it has sometimes been referred to as “Northern Carrier”), there is a sharp linguistic and cultural boundary between the two speech communities.