Friesia may refer to:
Croton (plant), a genus of the flowering plant family Euphorbiaceae (synonym by authority: Spreng.) Parodia, a genus of the cactus family Cactaceae (synonym by authority: Fric (nom. inval.)) Friesia (journal), a scientific journal concerned with mycology, see list of mycology journals Friesia (moth), a synonym of the moth genus Prosoparia of the family Erebidae
See also Frisia, a region along the Dutch-German-Danish coast Freesia, a genus of flowering plants Friesea, a genus of springtails Fresia (disambiguation)