The Tabar Group is an island group in Papua New Guinea, located 40 km north of New Ireland. It is a part of the Bismarck Archipelago. The Tabar group consists of a short chain of three main islands - Tabar Island (aka Big Tabar) in the south, Tatau Island in the center, and Simberi Island in the north - as well as a number of smaller offshore islets. The highest peak is Mount Beirari with 622 metres.
The Tabar Group is the area of origin of Malagan art. The local language is Mandara (also known as Tabar), ISO 639-3 language code "tbf", an Austronesian language. Three dialects have been identified, Simberi, Tatau and Tabar.