Claoxylon is a flowering plant genus in the spurge family, Euphorbiaceae, comprising dioecious subshrubs to small trees. It was first described as a genus in 1824. The genus is distributed in paleotropical areas: Madagascar through South and Southeast Asia, Malesia to Melanesia, Hawaii, and Australia. Half of the species are in Malesia.
, the following 118 species are accepted by Plants of the World Online:
Moved to other genera (Acalypha, Croton, Discoclaoxylon, Erythrococca, Lobanilia, Macaranga, Mallotus, Micrococca, Orfilea)