Stoyka is a rural locality in Dyupsyunsky Rural Okrug of Ust-Aldansky District in the Sakha Republic, Russia, located 39 kilometers (24 mi) from Borogontsy, the administrative center of the district and 17 kilometers (11 mi) from Dyupsya, the administrative center of the rural okrug. Its population as of the 2002 Census was 47.