Nyzhnia Duvanka (; ) is a rural settlement in Sloboda Ukraine, in the Svatove Raion of the Luhansk Oblast of Ukraine. Population:
On 14 December 1960, Nizhnyaya Duvanka received the status of an urban-type settlement. In July 1995, the Cabinet of Ministers approved the decision to privatize the state farm.
According to the 2001 Ukrainian census, the settlement had a population of 2,429. The linguistic composition was:
Dmytro Streknev, (1997-2019), Ukrainian soldier awarded with the Order for Courage