Dikson Island (Russian: Ди́ксон), initially Dickson, is the name of an island in Taymyrsky Dolgano-Nenetsky District (Russian: Таймы́рский Долга́но-Не́нецкий райо́н), 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.