节节麦（学名：Aegilops tauschii）为禾本科山羊草属下的一个种。

Aegilops tauschii, also known as Tausch's goatgrass, is an annual grass seed that is part of the tribe Triticeae, along with wheat and some other cereals. Ae. tauschii is a diploid (2n = 2x = 14, DD) goat grass species which has contributed the D genome in common wheat.