Line 6 of the Changchun Rail Transit () is a rapid transit line running from west to east in southern Changchun.
Construction of line 6 started on 30 September 2019.
Construction of the tunnels was completed on 30 April 2023. The tracks were completely installed by 26 May and powered by 29 May. Test trains were run starting in 8 December.
On 28 March 2024, line 6 started its official operation.