The West Barito languages are a group of half a dozen Dayak (Austronesian) languages of Borneo, Indonesia. They are named after the Barito River.
Subgrouping The languages are:
Northwest Barito Kohin Dohoi (Ot Danum) Siang Southwest Barito Mendawai Bakumpai Berangas (possibly a Bakumpai dialect) Ngaju
References
Meyers, Jim, Ben Rice, Susan Rice and Heather Meyers. 2003. Report on the Seruyan River surveys in central Kalimantan: Kohin, Keninjal and Sebaun (Dohoi) languages. SIL Electronic Survey Report. SIL International.