唐松草属（学名：Thalictrum）是毛茛科下的一个属，为多年生草本植物。该属共有约150种，分布于北温带。

Thalictrum (pronunciation: /θəˈlɪktrəm/) is a genus of 120-200 species of herbaceous perennial flowering plants in the Ranunculaceae (buttercup) family native mostly to temperate regions. Meadow-rue is a common name for plants in this genus.

Thalictrum is a taxonomically difficult genus with poorly understood species boundaries; it is in need of further taxonomic and field research for clarification.