Onnia (fungus), a genus of fungi in the family Hymenochaetaceae
Onnia (trilobite), a genus of trilobite in the family Trinucleidae from the late Ordovician of Africa, Europe, North America and South America
Topics referred to by the same term
This disambiguation page lists articles about distinct genera with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article.