The Grey-breasted mountain toucan (Andigena hypoglauca), is a species of mountain toucan in the Ramphastidae family. It is found in humid highland forest, often at the tops of the trees, in the Andes of southern Colombia, Ecuador and Peru. It remains locally fairly common, but has declined due to habitat loss. It includes two subspecies, the northern nominate subspecies has dark eyes, while the southern Andigena hypoglauca lateralis has pale eyes.