Ribautia coarctata is a species of centipede in the Geophilidae family. It is endemic to New Caledonia, a French overseas territory in Melanesia. It was first described in 1923 by French entomologist Henri Ribaut.
The original description of this species is based on a female specimen measuring 15 mm in length with 43 pairs of legs.
The species occurs on the main island of Grande Terre. The type locality is Mont Panié.