Rattus hainaldi is a species of rodent in the family Muridae.

It is found only on Flores Island in Indonesia, including on Mount Ranaka.

[1] Part of its habitat is protected within the Kelimutu National Park.

[2] It is a small sized-species, with a body mass of around 40–100 grams (1.4–3.5 oz), and is thought to be terrestrial and a nest builder that prefers closed, forested, montane habitats.

This Rattus article is a stub.