Laptev Strait (Russian: Пролив Дмитрия Лаптева; Yakut: Миитэрэй Лаптев силбэһиитэ, Miiterey Laptev silbehiite) is a 60 km-wide strait in Russia. It separates Great Lyakhovsky Island of the Lyakhovsky Islands from the mainland, and connects the Laptev Sea in the west with the East Siberian Sea in the east. It is named after Russian explorer Dmitry Laptev.