Umaʼ Lasan language
| Umaʼ Lasan | |
|---|---|
| Native to | Malaysia, Indonesia | 
| Region | Borneo | 
| Native speakers | (6,000 cited 1981–2006) | 
| Language codes | |
| ISO 639-3 | Either: xky– Umaʼ Lasan (Sarawak, Malaysiaulu– Umaʼ Lung (East Kalimantan and North Kalimantan, Indonesia) | 
| Glottolog | uppe1425 | 
| ELP | Uma' Lung | 
Umaʼ Lasan (Western Kenyah) is a Kayan language of Borneo. Umaʼ Lung is marginally intelligible with the other varieties.