Mappia is a genus in the flowering plant family Icacinaceae. There are four species, all from tropical America. The type species for the genus is Mappia racemosa, Jacquin. Leretia cordata has been included in Mappia by some authors. The name "Mappia" has been used for Cunila and for Doliocarpus guianensis (synonym: Soramia guianensis). Both of these uses of the name "Mappia" are nomina rejecta.