Gennaria is a genus of flowering plants from the orchid family, Orchidaceae. It contains only one known species, Gennaria diphylla, native to the region from the western Mediterranean and Macaronesia (Canary Islands, Madeira, Portugal, Spain, the Balearic Islands, Morocco, Algeria, Tunisia, Sardinia, Tuscany). Gennaria diphylla was illustrated (as Habenaria cordata) in plate 3164 of Curtis' Botanical Magazine, 1832.