Kim Mun
Native to	China, Vietnam, Laos
Region	Jinxiu Yao Autonomous County
Native speakers	(ca. 400,000 cited 1995–1999)[1]
Language family	Hmong–Mien Mienic Mian–Jin Kim Mun
Official status
Official language in	China (Jinxiu Yao Autonomous County)
Language codes
ISO 639-3	mji
Glottolog	kimm1245

Kim Mun language (金门方言) is a Mienic language spoken by 200,000 of the Yao people in the provinces of Guangxi, Hunan and Hainan, as well as 170,000 in some areas of northern Vietnam. (figures as per Ethnologue, 18th Edition)

Iu Mien and Kim Mun are very similar to each other, having a lexical similarity percentage of 78%.

Distribution

In China, Kim Mun is spoken in the following counties (Mao 2004:304-305).^[2]

• Yunnan: Hekou, Malipo, Maguan, Xichou, Qiubei, Guangnan, Funing, Yanshan, Shizong, Jiangcheng, Mojiang, Yuanyang, Jinping, Lüchun, Mengla, Jinghong
• Guangxi: Xilin, Lingyun, Napo, Tianlin, Fengshan, Bama, Lipu, Pingle, Mengshan, Jinxiu, Yongfu, Luzhai, Fangcheng, Shangsi
• Hainan: Qiongzhong, Baoting, Qionghai, Tunchang, Ledong, Wanning, Yaxian

The Ethnologue lists several counties in Vietnam where Kim Mun is spoken. The Van Ban district of Lao Cai province is perhaps the primary area. In Vietnam, Dao people belonging to the Quần Trắng, Thanh Y, and Áo Dài subgroups speak Kim Mun.^[3]