Qiánnán Buyei and Miao Autonomous Prefecture (; Buyei: Qianfnanf Buxqyaix Buxyeeuz ziqziqzouy) is an autonomous prefecture of Guizhou province, People's Republic of China, bordering Guangxi to the south. The prefecture's seat is Duyun, while its area is . The name, "" derives from the prefecture's south-central location in the province; "" is the official abbreviation for Guizhou, while "" means "south".