多穗石松（学名：Lycopodium annotinum）或称杉叶蔓石松，为石松科石松属下的一个种。

Lycopodium annotinum L. (Interrupted club-moss, or stiff clubmoss) is a species of clubmoss native to forests of the colder parts of North America (Greenland, St. Pierre & Miquelon, all 10 provinces and all 3 territories of Canada, Alaska, and mountains of the contiguous United States), as well as Asia (China, Russia, Japan, Korea, Nepal, Assam), and most of Europe.