Derazhne is a village situated in western Ukraine along the Horyn river. It is currently located within the Rivne Raion of the Rivne Oblast, though it was previously administered as part of the Kostopil Raion.
As of the 2001 census, the village had a population of 2,102 residents. Its designated postal code is 35053 and its KOATUU code is 5623481601.