Thecacoris trichogyne, synonym Thecacoris annobonae, is a species of plant in the family Phyllanthaceae.

It is found in west-central and south tropical Africa (Angola, Cameroon, the Democratic Republic of the Congo, the Republic of the Congo, Gabon, the Gulf of Guinea Islands and Zambia).

It is a shrub or tree and grows primarily in wet tropical habitats.

[1] Thecacoris annobonae was assessed as "endangered" in the 2004 IUCN Red List, where it is said to be native only to Annobón and Cameroon.

As of February 2023[update], this species regarded as a synonym of Thecacoris trichogyne, which has a wider distribution.