双稃草属（学名：Diplachne）是禾本科下的一个属，为一年生或多年生草本植物。该属共有约10余种，多分布于西半球热带及温暖地区。

Diplachne is a genus of plants in the grass family, widespread over much of the world.

over 100 species once considered part of Diplachne but now considered better suited to other genera: Bewsia Catapodium Cleistogenes Disakisperma Enteropogon Eragrostis Festuca Gouinia Leptocarydion Leptochloa Neyraudia Odyssea Orinus Pogonarthria Psilolemma Trichoneura Tripogon Triraphis Verticordia