Iroko is a large hardwood tree from the west coast of tropical Africa that can live up to 500 years. This is the common name for the genus Milicia, in which there are two recognized species, which are closely related: Milicia excelsa and Milicia regia.

Milicia excelsa is a tree species from the genus Milicia of the family Moraceae. Distributed across tropical Central Africa, it is one of two species yielding timber commonly known as ọjị, African teak, iroko, intule, kambala, moreira, mvule, odum and tule.