臭草属（学名：Melica）是禾本科下的一个属，为多年生直立草本植物。该属分布于温带地区。

Melica is a genus of perennial grasses known generally as melic or melic grass. They are found in most temperate regions of the world. They are clumping grasses with long, erect stems bearing spikelets of papery grass flowers. Some species of melic have corms and are sometimes called oniongrass.