The Land Dayak languages are a group of dozen or so languages spoken by the Bidayuh Land Dayaks of northwestern Borneo, and according to some, also spoken by the Rejang people of southwestern Sumatra, Indonesia.
Glottolog classifies the Land Dayak languages as follows.
[1] Smith (2017)[2] classifies the Land Dayak languages as follows.
List of Bidayuh-speaking Dayak ethnic subgroups and their respective languages in West Kalimantan province, Indonesia:[3][4]
Some possible Bidayuh-speaking Dayak ethnic subgroups and their respective languages in West Kalimantan province, Indonesia: