| Metanarthecium, Lophiola, Harperocallis, Nartheciaceae, Pleea|
Nietneria is a genus of plants in the Nartheciaceae. It has two known species, both native to northern South America.
The genus contains the following species:Nietneria corymbosa Klotzsch & M.R.Schomb. ex B.D.Jacks. - Guyana, Amazonas + Bolívar States in Venezuela
Nietneria paniculata Steyerm. - Bolívar State in Venezuela, Guyana, Serra Aracá in the Brazilian State of Amazonas