West Katuic languages

West Katuic
Kui–Bru
Geographic distribution:	Indochina
Linguistic classification:	Austro-Asiatic Nuclear Mon–Khmer Khmero-Vietic Vieto-Katuic Katuic West Katuic
Subdivisions:	Bru–So Kui–Yoi
Ethnologue code:	`1770-16`

The West Katuic or Kui–Bru (Kuy–Bru) languages are part of the Katuic branch of the Austroasiatic family.

Brou–So languages
- Bru language (Laos, Vietnam, Thailand)
- Sô language (Laos)
- Khua language (Vietnam)
Kuay–Yoe languages
- Kuy language (Thailand)
- Nyeu language (Thailand)

Though listed as one of the neighboring Ta'Oi languages by Ethnologue, Sidwell (2003) notes that Katang is a Bru dialect.