Nelis, Genus – synonym of Goodyera, Genus
Nematoceras, Genus – synonym of Corybas, Genus
Nematorhizis, Section – synonym of Minutissima, Section (Bulbophyllum)
Nemuranthes, Genus – synonym of Habenaria, Genus
Neoclemensia, Genus – synonym of Gastrodia, Genus
Neolindleya, Genus – synonym of Platanthera, Genus
Nephranthera, Genus – synonym of Renanthera, Genus
Nervilia, Section (Nervilieae)
Niemeyera, Genus – synonym of Apostasia, Genus