Line 6 of the Tianjin Metro (Chinese: 天津地铁六号线; pinyin: Tiānjīn Dìtiě Liù Hào Xiàn) is a rapid transit line running semi-circular from north-east to south-east Tianjin.

[1] The line was later extended on 31 December 2016 and on 26 April 2018.

[2] The line is currently 42.6 km long and has 38 stations.

The line currently uses 6 car B size trains but the platform is long enough to support 8 car trains as demand grows in the future.

Line 6, together with Line 5 will form a loop around Tianjin.