庭菖蒲属（学名：Sisyrinchium）是鸢尾科下的一个属，为草本植物。该属共有约70种，分布于北美。

Sisyrinchium is a large genus of annual to perennial plants of the iris family, native to the New World, whose species are known as blue-eyed grasses.

Several species in the eastern United States are threatened or endangered.