The Melanesian flycatcher, sometimes known as the New Caledonian flycatcher (Myiagra caledonica), is a species of monarch flycatcher in the Monarchidae family. The species is found in New Caledonia, Vanuatu and Rennell Island in the Solomon Islands. The species is closely related to a number of species found from Australia to Samoa. There are five subspecies; the nominate race is found on New Caledonia, Myiagra caledonica viridinitens in the Loyalty Islands, Myiagra caledonica melanura in south Vanuatu, Myiagra caledonica marianae in northern and central Vanuatu, and Myiagra caledonica occidentalis in Rennell.