Uyandina River ({{lang-ru|Уяндина}}) is a river in Yakutia in Russia, a left tributary of the Indigirka River. It is formed by the confluence of the Irgichyan and Baky Rivers. The length of the Uyandina is {{convert|586|km|mi}}. The area of its drainage basin is {{convert|177000|km2|mi2}}. The Uyandina freezes up in October and remains icebound until late May or early June. {{coord|68.4042|N|145.8322|E|source:wikidata-and-enwiki-cat-tree_region:RU|display=title}}{{SakhaRepublic-geo-stub}}{{Russia-river-stub}} 2 : Rivers of the Sakha Republic|Indigirka basin |