Nephrolepis is a genus of some thirty fern plants. It is the only genus in the family Nephrolepidaceae, included in the 2016 classification of the Pteridophyte Phylogeny Group in the suborder Aspleniineae (eupolypods I) of the order Polypodiales (PPG I). (In some other classifications it is classified in the Dryopteridaceae. The family is commonly referred to as macho ferns or swordferns.