Line 12 of the Zhengzhou Metro (Chinese: 郑州地铁12号线) is a rapid transit line in Zhengzhou, Henan Province, China.

Phase 1 of Line 12 is 16.538 km (10.276 mi) long with 11 stations.

[1]

Phase 1 of Line 12 was approved by NDRC on 29 March 2019.

[3] The line opened on 20 December 2023.