The Yinchuan–Kunming Expressway (), designated as G85 and commonly referred to as the Yinkun Expressway () is an expressway in China that connects the cities of Yinchuan, Ningxia and Kunming, Yunnan. It is in length. The full length was completed and opened for traffic in 2024.

It is one of the National Trunk Highway System's 11 north-south main routes.

It passes through the following major cities:

Yinchuan, Ningxia Guyuan, Ningxia Pingliang, Gansu Baoji, Shaanxi Hanzhong, Shaanxi Bazhong, Sichuan Guang'an, Sichuan

Chongqing Neijiang, Sichuan Yibin, Sichuan Zhaotong, Yunnan Kunming, Yunnan

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