Mojiang Hani Autonomous County (simplified Chinese: 墨江哈尼族自治县; traditional Chinese: 墨江哈尼族自治縣; pinyin: Mòjiāng Hānízú Zìzhìxiàn; Hani: Meiqjal Haqniqssaq Ziiqziifxeif) is an autonomous county under the jurisdiction of Pu'er City, in the south of Yunnan Province, China. It borders Zhenyuan County and Xinping County to the north, Yuanjiang County, Honghe County and Lüchun County to the east, Jiangcheng County to the south and Ning'er County to the west.

In the present, Mojiang Hani Autonomous County has 12 towns, 2 townships and 1 ethnic township.

There was a total of 210,628 ethnic Hani in Mojiang County as of 2006. Hani subgroups in Mojiang County include the following, with 2006 population estimates (Jiang, et al. 2009:3) and language classifications (Mojiang County Ethnic Gazetteer 2007:22).

The Budu and Bukong are also found in Mojiang County.

According to the Mojiang County Gazetteer (2002:640), ethnic Bulang, who numbered 2,968 individuals as of 1993, are found in the townships of Jingxing 景星, Xinwu 新抚, and Tongguan 通关. The Bulang of Mojiang County speak Va, an Angkuic language.

In Mojiang County, ethnic Yao are found in Yaojia 瑶家 and Guangshan 光山 of Manxing Village 曼兴村, Wenwu Township 文武乡.