The Nicobar jungle flycatcher (Cyornis nicobaricus) is a species of bird in the Old World flycatcher family, Muscicapidae. It is endemic to the Nicobar Islands, where its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical mangrove forests. It was once considered a subspecies of the brown-chested jungle flycatcher.
This species was previously placed in the genus Rhinomyias but was moved to Cyornis based on the results of a 2010 molecular phylogenetic study.