Golovnin (Japanese: 泊山, Tomari-yama; Russian: вулкан Головнина) is a caldera located in the southern part of Kunashir Island, Kuril Islands, Russia/Japan. It is the southernmost volcano of the Kuril Islands.

The Russian name is given after the Russian explorer Vasily Golovnin.

An eruption was confirmed in 1848.^[1] It is not ranked as an active volcano by the Japan Meteorological Agency.Tomariyama Volcanic activity since recorded history

• List of volcanoes in Russia