The Indigirka (Russian: Индиги́рка; Yakut: Индигиир, romanized: İndigiir) is a river in the Sakha Republic in Russia between the Yana to the west and the Kolyma to the east. It is 1,726 kilometres (1,072 mi) long. The area of its basin is 360,000 square kilometres (140,000 mi2).