Dikson Island initially Dickson, is the name of an island in Taymyrsky Dolgano-Nenetsky District, Krasnoyarsk Krai, Russia, situated in the Kara Sea near the mouth of the Yenisei River. A nearby urban-type settlement of Dikson, which functions as a port and hydrometeorological centre is located on the mainland across from the island. It is served by the Dikson Airport.