Benxi (Chinese: 本溪; pinyin: Běnxī) is a prefecture-level city located in the east of Liaoning province in Northeast China, south-southeast of Shenyang. Its population is 1,709,538 at the 2010 census whom 959,610 in the built up area It was founded as a metallurgical center in 1915. Benxi Iron and Steel Company ("Bengang") is the largest employer in the city, and used to be the 4th largest steel company in China. The second largest industry in Benxi is coal mining. Benxi has pollution problems due to steel production and coal mining.

The worst coal mining disaster in the world took place on April 26, 1942 in Benxihu Colliery. A coal-dust explosion killed 1,549 miners working that day.

During the disaster of Air France flight AF447, Benxi Iron and Steel Company lost 5 employees, including the executive Chen Chiping who was the wife of Liaoning's provincial governor.

Benxi contains 4 districts and 2 autonomous counties for the Manchu nation:

Within these there are 25 counties, 40 villages and towns, 229 communities and 289 village committees.