格兰马草属（学名：Bouteloua）是禾本科下的一个属，为多年生（有时一年生）草本植物。该属共有约40种，分布于美洲。

Bouteloua is a genus of plants in the grass family. Members of the genus are commonly known as grama grass.

The genus was named for Claudio and Esteban Boutelou, 19th-century Spanish botanists.