Alexandre François Malbranche (6 April 1818, Bernay, Eure – 16 May 1888, Rouen) was a French pharmacist, botanist and mycologist. He is known for his botanical and mycological studies associated with Normandy, He received his education in Rouen, where he subsequently spent his career as a pharmacist. He served as president of the Société des amis des sciences de Rouen, and for several years was a member of the Société botanique de France (1879–1888).