The Yellow-bellied Robin (Eopsaltria flaviventris) is a species of bird in the Australasian robin family Petroicidae. It is endemic to New Caledonia, where it occurs on the island of Grande Terre. It occupies a range of habitats, including dry lowlands woodland, Pinus and Pandanus forest and humid forest from sea level up to 1525 m.

The Yellow-bellied Robin is a medium-sized Australasian robin, 14-15 cm in length and weighing around 12 g. The plumage is similar to others in the genus Eopsaltria; dark olive-grey back, tail and wings, grey head and chest with a slightly lighter throat, and yellow belly and rump. The legs are grey.