Steiniella

Steiniella may refer to:
 * Steiniella, a genus of algae in the family Gonyaulacaceae; synonym of Gonyaulax
 * Steiniella C.Bernard, 1908, nom. illeg., a genus of algae in the family Scenedesmaceae; replaced by Steinedesmus
 * Steiniella Synonym for the Fly Genus Cleonice