Line 1 of Changzhou Metro (Chinese: 常州地铁1号线; pinyin: Chángzhōu Dìtiě Yī Hào Xiàn) is a rapid transit line in Changzhou.

It connects the two railway stations Changzhou and Changzhou North.

Construction for Line 1 began on 28 October 2014.

The first phase runs from Forest Park (森林公园) in the north to Nanxiashu (南夏墅) in the south.

Line 1 opened on 21 September 2019.