The Druzhina () is a river in Yakutia in Russia, a left tributary of the Indigirka.
It has its source at the Ulakhan-Koyol Lake. The river flows eastwards, meandering across a lake-dotted area of the Aby Lowland. The length of the Druzhina is . The area of its drainage basin is .
The Druzhina freezes up in October and remains icebound until late May or early June.