|23,000 (2005 census)|
|Tai Le & Lao (Laos), Latin (Vietnam)|
Katu, or Low Katu, is a Katuic language of eastern Laos and central Vietnam.
In Vietnam, it is spoken in Thừa Thiên–Huế Province, including in A Lưới commune. By Census 2009 of Vietnam there are 61,588 Katu peoples.