The Yinchuan–Kunming Expressway (Chinese: 银川－昆明高速公路), designated as G85 and commonly referred to as the Yinkun Expressway (Chinese: 银昆高速公路) is an expressway in China that connects the cities of Yinchuan, Ningxia and Kunming, Yunnan.

It is 2,332 km (1,449 mi) in length.

[1] The full length was completed and opened for traffic in 2024.

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

[3] It passes through the following major cities: Note: italic indicates the routes that were available in 2013 network plan, but removed in 2022 network plan