Chiefdom of Yongning (simplified Chinese: 永宁土司; traditional Chinese: 永寧土司; pinyin: Yǒngníng Tǔsī) was a Mosuo autonomous Tusi chiefdom during the Ming and Qing dynasties.

The chiefdom was located at present-day Ninglang Yi Autonomous County at the convergence of Yunnan, Sichuan and Tibet.

[4] Since 1406, the hereditary chieftains received the official position "Magistrate of Yongning" (永寧知府) from the Ming emperor.

[5] According to The Ancient Nakhi Kingdom of Southwest China by Joseph Rock, Yongning used to be great power.

[5] In 1917, Chiefdom of Langqu (蒗蕖土司) was abolished, its territory merged into Yongning.