野燕麦（学名：Avena fatua）为禾本科燕麦属下的一种植物，为一种常见的杂草。

草本植物，高30～150厘米。须根，茎丛生；叶鞘松弛，没有叶耳，叶舌大而透明，这些与麦苗不同；圆锥花序；小穗下垂；纺锤形颖果，被有淡棕色柔毛。

Avena fatua is a species of grass in the oat genus. It is known as the common wild oat. This oat is native to Eurasia but it has been introduced to most of the other temperate regions of the world. It is naturalized in some areas and considered a noxious weed in others.