水苏属（学名：Stachys）是唇形科下的一个属，为草本植物，少数为灌木。该属共有约300种，分布于全球。

Stachys is one of the largest genera in the flowering plant family Lamiaceae. Estimates of the number of species in the genus vary from about 300, to about 450. The type species for the genus is Stachys sylvatica. Stachys is in the subfamily Lamioideae. Generic limits and relationships in this subfamily are poorly known.