Line 1 of the Harbin Metro (Chinese: 哈尔滨地铁一号线; pinyin: Hārbīn Dìtiě Yī Hào Xiàn) is a rapid transit line running from west to east Harbin.

This line is 26.05 km[1] long with 23 stations.

The Phase 1 & 2 opened on 26 September 2013.

Museum of Heilongjiang Province station opened as an infill station on 23 September 2014.

The Phase 3 (except Wapenyao station) opened on 10 April 2019.