The Ornithological Society of Polynesia (French: Société d'Ornithologie de Polynésie), also known as Manu, a Polynesian word for "bird", is an environmental non-governmental organization dedicated to the conservation of birds and their habitats in Polynesia.

It was founded in July 1990 by bird enthusiasts in French Polynesia,[1] for which it is the BirdLife International partner organisation.

The Society publishes the quarterly French language bulletin Te Manu, which is sent to all members.

[2] It is involved in surveys and conservation programs regarding the critically endangered Polynesian ground dove, Marquesan imperial pigeon, Tuamotu kingfisher, Tahiti monarch, Fatu Hiva monarch; the endangered Phoenix petrel, Tuamotu sandpiper, Marquesan ground dove, Polynesian imperial pigeon, Rimatara lorikeet, ultramarine lorikeet, Marquesan kingfisher, Marquesan monarch, as well as the blue lorikeet and Tahiti petrel.

[3] In July 2023 the society announced a joint program with Auckland Zoo to save the Fatu Hiva monarch from extinction.