Zhenyuan Yi, Hani and Lahu Autonomous County (simplified Chinese: 镇沅彝族哈尼族拉祜族自治县; traditional Chinese: 鎮沅彝族哈尼族拉祜族自治縣; pinyin: Zhènyuán Yízú Hānízú Lāhùzú Zìzhìxiàn; Hani: Ceiqyiq Haqhholssaq Haqniqssaq Lalhuqcuq Ziiqziifxeif) is an autonomous county under the jurisdiction of Pu'er City, in the west central part of Yunnan Province, China.

In the present, Zhenyuan Yi, Hani and Lahu Autonomous County has 8 towns and 1 township.

The Zhenyuan County Gazetteer (1995:74-79) lists the following ethnic groups and locations.

All population statistics, given in parentheses, are as of 1988.