Harrisonia is a small genus of flowering plants in the subfamily Spathelioideae of the Rutaceae (citrus family). Older taxonomic treatments have placed this genus in the Simaroubaceae or in the Cneoraceae.
There are three species in the genus Harrisonia:
Harrisonia abyssinica Oliv.
Harrisonia brownii A.Juss.
Harrisonia perforata (Blanco) Merr.