尼罗草（学名：Acroceras macrum）为禾本科凤头黍属下的一个种。

Acroceras macrum (Nile grass, Nyl grass) is a species of perennial grass native to Africa, which is often cultivated extensively as pasture, silage, and hay. It is palatable and nutritious for animal feed. It has been studied in breeding programs and it has been introduced to Australia and South America for cultivation.