The Ch'ŏngnam Line is a partially electrified standard-gauge secondary line of the Korean State Railway in South P'yŏngan Province, North Korea, running from Ch'ŏngnam on the northern part of the Sŏhae Line to Samch'ŏnp'o via a loop line connecting several collieries to the mainline of the Sŏhae Line.

[2] Part of the loop, from Samch'ŏnp'o to Ch'illi, was electrified.

Most of the trackage was later abandoned, including the entirety of the Ch'ŏngnam Line loop.

Much of the coal that originated on the line was shipped to the Ch'ŏngch'ŏn River Thermal Power Plant on the Ch'ŏnghwaryŏk Line.

[3] A yellow background in the "Distance" box indicates that section of the line is not electrified.