Zhongxin (simplified Chinese: 忠信镇; traditional Chinese: 忠信鎮; pinyin: Zhōngxìn Zhèn) is a town in Daozhen Gelao and Miao Autonomous County, Guizhou, China. As of the 2016 census it had a population of 22,000 and an area of 155.66-square-kilometre (60.10 sq mi).

As of 2016, the town is divided into seven villages:

• Xinhua (新华村)
• Minxing (民星村)
• Shisun (石笋村)
• Xinmin (新民村)
• Ganshuwan (甘树湾村)
• Shuishijiao (水石脚村)
• Shanyan (山岩村)

The Furong River (芙蓉江) flows through the town.

The town enjoys a subtropical humid monsoon climate, enjoying four distinct seasons and abundant precipitation. The average annual temperature is 13.6 °C (56.5 °F) and total annual rainfall is about 1,000-millimetre (39 in) to 1,200-millimetre (47 in).

The town's economy is based on nearby mineral resources and agricultural resources. The main mineral resources are lead-zinc, pyrite and bauxite. Medicinal materials and tobacco are the main economic crops.

• List of township-level divisions of Guizhou

• Liu Jiangnian, ed. (2007). "Rural construction" 乡村建设. 《道真仡佬族苗族自治县概况》 [General Situation of Daozhen Gelao and Miao Autonomous County] (in Chinese). Beijing: Nationalities Publishing House. ISBN 978-7-105-08537-8.