De familie Olacaceae R.Br. kent 11 geslachten
| Cathedra Miers |
| Chaunochiton Benth. |
| Dulacia Vell. |
| Harmandia Baill. |
| Hondurodendron C.Ulloa, Nickrent, Whitef. & D.L.Kelly |
| Minquartia Aubl. |
| Ochanostachys Mast. |
| Olax L. |
| Ongokea Pierre |
| Phanerodiscus Cavaco |
| Ptychopetalum Benth. |
