Adalbert Geheeb (March 21, 1842 in Geisa - 13 September 1909 in Konigsfelden, Brugg, Aargau) was a German botanist specializing in mosses. The son of a pharmacist, he studied natural history as a pastime, and published extensively.In 1864-65 he studied pharmacy in Jena. Up until 1892, he served as a pharmacist in his hometown of Geisa, afterwards working as a private scholar in Freiburg im Breisgau.