Monoon[1] is a genus of plants in the family Annonaceae[2] and the tribe Miliuseae.

Species have been recorded from the Indian subcontinent, Indo-China, Malesia, New Guinea and Australia, with introductions in West Africa.

A number of species have been moved here from the genus Polyalthia.

As of April 2020[update], Plants of the World Online includes:[3]