'left bank line') was a proposed fifth metro line of the Kyiv Metro system, which was planned to serve the left bank neighborhoods of the Ukrainian capital Kyiv.

The line is typically colored sky blue on the maps.

[1] The line was also to have featured connections with existing intercity railway stations.

In April 2014, Volodymyr Bondarenko, then Chairman of the Kyiv City State Administration, stated that the proposition to extend a metro line to the city's Troieschyna neighborhood has been abandoned in favor of modernizing the Livoberezhna line of the city's light rail system.

[2] The plan was rejected due to the high cost of building a new metro line.