Komsomolsk (Russian: Комсомольск) is a rural locality (a selo) in the Pervomaysky District of Tomsk Oblast, Russia.

It is located on the Chulym River.

The population was 1,997 as of 1 January 2015.

[4] Residents earn money in the summer by gathering Siberian cranberries in local forests and swamps.

[5] The Balagachevo Rail Station is located within the village of Balagachevo [ru] within Komsomolsk, and was also previously connected to the nearby Frantsevo via the Komsomol Narrow Gauge Rail [ru], but said rail was demolished by the logging company that owned it as of 2015.