Noronhia is a genus of 40 known species of flowering plants in the family Oleaceae, all but one native to Madagascar, the remaining species native to the Comoros Islands north of Madagascar.

[3] A few have become naturalized in Mauritius, Réunion, and Bermuda.

[4] The species are deciduous or evergreen trees.

The genus is named in after the Spanish botanist Francisco Noronha.

This Oleaceae article is a stub.