Marquesia is a genus of plant in family Dipterocarpaceae. It is native to Africa and can be found in Angola, Equatorial Guinea, Gabon, Tanzania, Zambia, Zaïre and Zimbabwe.
It contains the following species:
The genus name of Marquesia is in honour of L. Marques, who was a Portuguese plant collector hunting in Angola and Mozambique.
The genus was circumscribed by Ernst Friedrich Gilg in Bot. Jahrb. Syst. vol.40 on page 485 in 1908.