Antsiferov Island (Russian: Остров Анциферова; also known as Shirinki (Russian: Ширинки Japanese 志林規島; Shirinki-tō) is an uninhabited volcanic island located in the northern the Kuril Islands chain in the Sea of Okhotsk in the northwest Pacific Ocean. Its former Japanese name is derived from the Ainu language for "place of tall waves". Its nearest neighbor is Paramushir, located 15 kilometers away across the Luzhin Strait. It is currently named for the cossack explorer Danila Antsiferov, who first described it along with other northern Kuril islands in the early eighteenth century.